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TSB List for the 2018 Chevrolet Colorado

Technical Service Bulletins (TSBs) for the 2018 Colorado are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

  • STEERING
  • STEERING:COLUMN
  • STEERING:HYDRAULIC POWER ASSIST:PUMP
  • SUSPENSION
  • SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM
  • SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY
  • SUSPENSION:FRONT:SHOCK ABSORBER
  • SUSPENSION:FRONT:MACPHERSON STRUT
  • SUSPENSION:REAR
  • SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY
  • SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE
  • SUSPENSION:REAR:SHOCK ABSORBER
  • SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
  • BRAKES (PWS)
  • SERVICE BRAKES, HYDRAULIC
  • SERVICE BRAKES, ELECTRIC
  • SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR
  • SERVICE BRAKES, AIR:ANTILOCK
  • PARKING BRAKE
  • PARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR
  • ENGINE (PWS)
  • ENGINE AND ENGINE COOLING
  • ENGINE AND ENGINE COOLING:ENGINE
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
  • ENGINE AND ENGINE COOLING:ENGINE:DIESEL
  • ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
  • ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR
  • ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
  • FUEL SYSTEM, GASOLINE
  • FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER
  • FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
  • FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
  • FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
  • FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
  • FUEL SYSTEM, DIESEL
  • FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP
  • FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:INJECTORS
  • FUEL SYSTEM, OTHER:KINETIC:CLUTCH
  • POWER TRAIN
  • POWER TRAIN:MANUAL TRANSMISSION
  • POWER TRAIN:AUTOMATIC TRANSMISSION
  • POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
  • POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT
  • POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT
  • POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER
  • POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
  • POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:12V/24V/48V BATTERY
  • ELECTRICAL SYSTEM:WIRING
  • ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
  • ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS
  • ELECTRICAL SYSTEM:IGNITION
  • ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE
  • ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS
  • ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
  • ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT
  • ELECTRICAL SYSTEM:SOFTWARE
  • ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS
  • EXTERIOR LIGHTING
  • LIGHTING (PWS)
  • EXTERIOR LIGHTING:HEADLIGHTS
  • EXTERIOR LIGHTING:FOG LIGHTS
  • EXTERIOR LIGHTING:TAIL LIGHTS
  • VISIBILITY
  • VISIBILITY:WINDSHIELD
  • VISIBILITY:GLASS, SIDE/REAR
  • VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS
  • VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
  • VISIBILITY:SUN/MOON ROOF ASSEMBLY
  • VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
  • VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
  • VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE
  • AIR BAGS
  • SEAT BELTS
  • STRUCTURE
  • STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS
  • STRUCTURE:BODY
  • STRUCTURE:BODY:BUMPERS
  • STRUCTURE:BODY:DOOR
  • STRUCTURE:BODY:TAILGATE
  • STRUCTURE:BODY:HOOD
  • STRUCTURE:BODY:ROOF AND PILLARS
  • LATCHES/LOCKS/LINKAGES
  • LATCHES/LOCKS/LINKAGES:DOORS:LATCH
  • VEHICLE SPEED CONTROL
  • TIRES
  • TIRES:SIDEWALL
  • WHEELS
  • TRAILER HITCHES
  • SEATS
  • SEATS:MID/REAR ASSEMBLY
  • ELECTRONIC STABILITY CONTROL
  • LANE DEPARTURE: SENSING SYSTEM: CAMERA
  • BACK OVER PREVENTION
  • BACK OVER PREVENTION: CAMERA SYSTEM
  • BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
  • INTERIOR LIGHTING
  • EQUIPMENT
  • EQUIPMENT:ELECTRICAL
  • EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
  • EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:CONTROLS
  • EQUIPMENT:MECHANICAL
  • EQUIPMENT:OTHER:LABELS
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • EQUIPMENT ADAPTIVE/MOBILITY
  • EQUIPMENT:APPLIANCE:AIR CONDITIONER
  • UNKNOWN OR OTHER
  • STEERING

    • TSB #16NA109

      Date Announced:
      MAR 08, 2021
      NHTSA ID:
      #10191163

      This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »

    • TSB #PIT5363F

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176336

      This Preliminary Information communication provides information to the technician about vehicles that may have a click or tick noise heard inside cab with engine running. Read More »

    • TSB #16NA109

      Date Announced:
      AUG 05, 2019
      NHTSA ID:
      #10165079

      This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »

    • TSB #PIT5474C

      Date Announced:
      MAY 17, 2019
      NHTSA ID:
      #10161031

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Power Steering message, loss of power and or Malfunction Indicator Lamp on in the Instrument Panel Cluster. Read More »

    • TSB #16NA065

      Date Announced:
      FEB 07, 2019
      NHTSA ID:
      #10154633

      This Technical bulletin provides information to correct a condition of a Service Power Steering Message on DIC, increased steering effort. Read More »

    • TSB #PIT5233D

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129080

      This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »

    • TSB #PI0671A

      Date Announced:
      MAR 17, 2017
      NHTSA ID:
      #10138087

      This preliminary information bulletin provides information for diagnosing a power steering fluid leak at the fluid reservoir. Read More »

    • TSB #16-NA-109

      Date Announced:
      MAR 13, 2017
      NHTSA ID:
      #10138025

      This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »

    STEERING:COLUMN

    • TSB #16NA159

      Date Announced:
      JAN 29, 2018
      NHTSA ID:
      #10137262

      This technical bulletin provides a procedure for inspecting and/or re-adjusting both (inner and outer) intermediate steering shafts boots to illuminate a squeak, buzz and/or rubbing noise coming from the steering column ... Read More »

    STEERING:HYDRAULIC POWER ASSIST:PUMP

    • TSB #PIP5545

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10129063

      This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair. Read More »

    SUSPENSION

    • TSB #PIT5214E

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10197286

      This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing ... Read More »

    • TSB #050308002I

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10195128

      This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. Read More »

    • TSB #PIP5348C

      Date Announced:
      APR 08, 2021
      NHTSA ID:
      #10193441

      This Preliminary Information communication provides information to the technician about vehicles that may have a vibration at idle in gear or at very low speeds. Read More »

    • TSB #17NA394

      Date Announced:
      MAR 04, 2021
      NHTSA ID:
      #10191168

      This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise. Read More »

    • TSB #20NA156

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184490

      This technical bulletin provides a procedure to replace the rear axle c-clips if found the cause of the customers concern. Read More »

    • TSB #PIT5635B

      Date Announced:
      JAN 10, 2020
      NHTSA ID:
      #10171267

      This preliminary information suggests the technician verify a noise from the rear is or isn't coming from the rear leaf springs before a service on the springs is performed.  Read More »

    • TSB #18NA356

      Date Announced:
      DEC 19, 2018
      NHTSA ID:
      #10154990

      This technical bulletin provides a procedure to correct a condition of Vibration and/or Noise Heard During Hard Acceleration at Speeds of 77 km/h (48 mph) to 83 km/h (52 mph). Read More »

    • TSB #PIT5214D

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154605

      This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing ... Read More »

    • TSB #18NA108

      Date Announced:
      APR 12, 2018
      NHTSA ID:
      #10137545

      This technical bulletin provides a procedure to correct a left lean condition due to architectural corner mass distribution. Read More »

    • TSB #PIT5505A

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123246

      This Preliminary Information communication advises the technician on the steps to diagnosing the concern and the repair rattle noise coming from the engine bay. Read More »

    • TSB #060309004J

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10159573

      This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact. Read More »

    • TSB #PIP5348B

      Date Announced:
      JUN 07, 2017
      NHTSA ID:
      #10118248

      This Preliminary Information communication provides information to the technician about vehicles that may have a vibration at idle in gear or at very low speeds. Read More »

    • TSB #99-04-20-002J

      Date Announced:
      MAR 29, 2017
      NHTSA ID:
      #10138086

      This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations. Read More »

    SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM

    • TSB #17NA394

      Date Announced:
      AUG 06, 2019
      NHTSA ID:
      #10165085

      This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise. Read More »

    SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY

    • TSB #060309004K

      Date Announced:
      DEC 08, 2017
      NHTSA ID:
      #10139210

      This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact. Read More »

    SUSPENSION:FRONT:SHOCK ABSORBER

    • TSB #150089004B

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190337

      Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »

    SUSPENSION:FRONT:MACPHERSON STRUT

    • TSB #150089004B

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190337

      Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »

    SUSPENSION:REAR

    • TSB #PIE0558A

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10181728

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards a loud bang and/or grinding type noise heard coming from the rear axle area. Read More »

    SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY

    • TSB #PIT5635A

      Date Announced:
      AUG 14, 2019
      NHTSA ID:
      #10164767

      This preliminary information suggests the technician verify a noise from the rear is or isn't coming from the rear leaf springs before a service on the springs is performed.  Read More »

    • TSB #PIT5635

      Date Announced:
      OCT 10, 2018
      NHTSA ID:
      #10147368

      This preliminary information suggests the technician verify a noise from the rear is or isn't coming from the rear leaf springs before a service on the springs is performed. Read More »

    • TSB #060309004K

      Date Announced:
      DEC 08, 2017
      NHTSA ID:
      #10139210

      This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact. Read More »

    SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

    • TSB #20NA156

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184490

      This technical bulletin provides a procedure to replace the rear axle c-clips if found the cause of the customers concern. Read More »

    SUSPENSION:REAR:SHOCK ABSORBER

    • TSB #150089004B

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190337

      Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »

    SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY

    • TSB #20NA034

      Date Announced:
      FEB 19, 2020
      NHTSA ID:
      #10172810

      This technical bulletin provides a procedure to replace either the axle or the bearing depending if there is a lip on the axle after pulling it. Read More »

    BRAKES (PWS)

    • TSB #PIP5247A

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193443

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P06DE set in the Engine Control Module. Read More »

    • TSB #PIT5696E

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10190403

      This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer. Read More »

    • TSB #PIT5696D

      Date Announced:
      MAR 17, 2020
      NHTSA ID:
      #10173708

      This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer. Read More »

    • TSB #PIT5696C

      Date Announced:
      JAN 09, 2020
      NHTSA ID:
      #10171262

      This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer. Read More »

    • TSB #PIT5696B

      Date Announced:
      DEC 11, 2019
      NHTSA ID:
      #10170428

      This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer. Read More »

    • TSB #PIT5479C

      Date Announced:
      DEC 09, 2019
      NHTSA ID:
      #10170424

      This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »

    • TSB #PIT5696A

      Date Announced:
      AUG 22, 2019
      NHTSA ID:
      #10164778

      This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely and advises engineering is investigating the concern.  Read More »

    • TSB #PIT5696

      Date Announced:
      JUN 28, 2019
      NHTSA ID:
      #10162171

      This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely and advises engineering is investigating the concern.  Read More »

    • TSB #PIT5479B

      Date Announced:
      DEC 13, 2018
      NHTSA ID:
      #10154583

      This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »

    • TSB #18NA067

      Date Announced:
      MAR 01, 2018
      NHTSA ID:
      #10137297

      This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #PIT5363F

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176336

      This Preliminary Information communication provides information to the technician about vehicles that may have a click or tick noise heard inside cab with engine running. Read More »

    • TSB #PIT5396D

      Date Announced:
      MAR 18, 2020
      NHTSA ID:
      #10173709

      This Preliminary Information communication provides information to the technician that some vehicle may have a water leak into the cabin. Water staining may be seen in the headliner or water may be on the floor. Read More »

    • TSB #18198

      Date Announced:
      JUN 26, 2018
      NHTSA ID:
      #10143750

      18198 - Certain vehicles may have the c-clip missing from the rear axle shaft. If the c-clip is missing, a brake squeal noise may be heard coming from the rear of the vehicle, and brake pulsation or vibration may be felt. Read More »

    • TSB #18196

      Date Announced:
      JUN 12, 2018
      NHTSA ID:
      #10143739

      18196 - Service Update. Certain 2018 model year Chevrolet Colorado and 2018 model year GMC Canyon vehicles may have contamination that was introduced into the brake pressure modulator valve (BPMV), resulting in spongy braking, an increase ... Read More »

    • TSB #PIT5233D

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129080

      This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »

    SERVICE BRAKES, ELECTRIC

    • TSB #PIT5509F

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10173714

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR

    • TSB #17NA180

      Date Announced:
      JAN 09, 2018
      NHTSA ID:
      #10137267

      This informational bulletin provides information on how to obtain the left and right front wheel speed sensors from the WPC. Read More »

    SERVICE BRAKES, AIR:ANTILOCK

    • TSB #PIT3271J

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10168960

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    PARKING BRAKE

    • TSB #19NA136

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186069

      This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »

    • TSB #19NA035

      Date Announced:
      APR 08, 2019
      NHTSA ID:
      #10160125

      This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving. Read More »

    • TSB #PI1410B

      Date Announced:
      MAY 19, 2017
      NHTSA ID:
      #10137680

      This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on. Read More »

    PARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR

    • TSB #19NA035

      Date Announced:
      APR 08, 2019
      NHTSA ID:
      #10160125

      This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving. Read More »

    ENGINE (PWS)

    • TSB #19NA256

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10199244

      This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »

    • TSB #21NA108

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10199270

      This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »

    • TSB #19NA044

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199238

      This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »

    • TSB #000601026N

      Date Announced:
      APR 22, 2021
      NHTSA ID:
      #10195126

      This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »

    • TSB #PIP5803A

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10193459

      This Preliminary information communicates to technician's if they remove the front timing cover when performing a repair, they should inspect the timing chain guide upper bolt for being loose. Read More »

    • TSB #PIP5730B

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190391

      This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. Read More »

    • TSB #18NA073

      Date Announced:
      JAN 22, 2021
      NHTSA ID:
      #10187745

      This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #19NA256

      Date Announced:
      JAN 14, 2021
      NHTSA ID:
      #10187751

      This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »

    • TSB #060089031F

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184501

      This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »

    • TSB #PIP5416D

      Date Announced:
      NOV 09, 2020
      NHTSA ID:
      #10184101

      This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. Read More »

    • TSB #16NA222

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183126

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #16NA017

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183123

      This informational bulletin provides information ticking noise and/or noise when turning vehicle off. Read More »

    • TSB #19NA233

      Date Announced:
      OCT 20, 2020
      NHTSA ID:
      #10183173

      This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not. Read More »

    • TSB #PI1171D

      Date Announced:
      SEP 24, 2020
      NHTSA ID:
      #10181725

      This preliminary informational (PI) provides diagnosis and repair information regarding bearing damage or when an engine will not rotate. Read More »

    • TSB #16NA338

      Date Announced:
      JUL 28, 2020
      NHTSA ID:
      #10178949

      This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »

    • TSB #PIP5226D

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10178387

      This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »

    • TSB #PIP5684B

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10178370

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #PIP5545C

      Date Announced:
      JUL 07, 2020
      NHTSA ID:
      #10178363

      This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair. Read More »

    • TSB #PIP5730

      Date Announced:
      MAY 26, 2020
      NHTSA ID:
      #10176329

      This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. Read More »

    • TSB #PIP5628B

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176326

      This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »

    • TSB #16NA383

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176607

      This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels ... Read More »

    • TSB #20NA098

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176632

      This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC. Read More »

    • TSB #19NA153

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176611

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #18NA355

      Date Announced:
      MAR 30, 2020
      NHTSA ID:
      #10174266

      This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition. Read More »

    • TSB #PIT5688B

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172336

      This preliminary information was released to advise of an alternate means of purging the air from the cooling system.  Read More »

    • TSB #040601029J

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173416

      This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »

    • TSB #17NA391

      Date Announced:
      FEB 13, 2020
      NHTSA ID:
      #10172780

      This technical bulletin provides a procedure to inspect the PCV fresh air and foul air connectors for proper connections. Read More »

    • TSB #N192273630-01

      Date Announced:
      FEB 12, 2020
      NHTSA ID:
      #10172657

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2018-2019 model year diesel engine vehicles. Read More »

    • TSB #18NA073

      Date Announced:
      FEB 07, 2020
      NHTSA ID:
      #10172784

      This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #19NA066

      Date Announced:
      FEB 05, 2020
      NHTSA ID:
      #10173391

      This technical bulletin provides a procedure to replace the oil filter insert if found missing or damaged and the cause of the customers concern. Read More »

    • TSB #19NA256

      Date Announced:
      NOV 18, 2019
      NHTSA ID:
      #10169341

      This technical bulletin provides a procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »

    • TSB #PIP5540E

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10167437

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

    • TSB #16NA017

      Date Announced:
      JUL 29, 2019
      NHTSA ID:
      #10163879

      This informational bulletin provides information ticking noise and/or noise when turning vehicle off. Read More »

    • TSB #17NA134

      Date Announced:
      JUL 29, 2019
      NHTSA ID:
      #10163881

      This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2. Read More »

    • TSB #19NA150

      Date Announced:
      JUL 10, 2019
      NHTSA ID:
      #10164121

      This informational bulletin advises the tech that intake camshaft actuator solenoid bank and the intake actuator park lock solenoid have the same electrical connector and may be swapped causing the concern. Read More »

    • TSB #090604026Q

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163266

      This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #PIT5688

      Date Announced:
      MAY 20, 2019
      NHTSA ID:
      #10161033

      This preliminary information was released to advise of an alternate means of purging the air from the cooling system.  Read More »

    • TSB #PIT5363E

      Date Announced:
      MAY 17, 2019
      NHTSA ID:
      #10161030

      This Preliminary Information communication provides information to the technician about vehicles that may have a click or tick noise heard inside cab with engine running. Read More »

    • TSB #PIP5640

      Date Announced:
      MAY 07, 2019
      NHTSA ID:
      #10160987

      This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with ... Read More »

    • TSB #PIP5226C

      Date Announced:
      MAY 06, 2019
      NHTSA ID:
      #10160983

      This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »

    • TSB #PIP5569A

      Date Announced:
      APR 24, 2019
      NHTSA ID:
      #10160690

      This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. Read More »

    • TSB #PIP4670F

      Date Announced:
      APR 02, 2019
      NHTSA ID:
      #10160633

      This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »

    • TSB #19NA066

      Date Announced:
      APR 02, 2019
      NHTSA ID:
      #10160130

      This technical bulletin provides a procedure to replace the oil filter insert if found missing or damaged and the cause of the customers concern. Read More »

    • TSB #19NA044

      Date Announced:
      MAR 01, 2019
      NHTSA ID:
      #10158838

      This informational bulletin provides information on a normal engine operating condition for faster emission warm up time. Read More »

    • TSB #120601003C

      Date Announced:
      FEB 13, 2019
      NHTSA ID:
      #10155074

      This Bulletin Provides Information for Repairing Engine Front Cover Oil Leak, Sealing Surface Preparation and Applying RTV Sealant. Read More »

    • TSB #PIP5597

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147363

      This Preliminary information communicates to the technician where to find the engine identification tag and what information on that tag to use during programming of someengine control modules. Read More »

    • TSB #PIP5486F

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147365

      This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes. Read More »

    • TSB #PIP5486D

      Date Announced:
      AUG 14, 2018
      NHTSA ID:
      #10144456

      This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes. Read More »

    • TSB #PIP5493G

      Date Announced:
      AUG 09, 2018
      NHTSA ID:
      #10144455

      This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Read More »

    • TSB #PIP5163D

      Date Announced:
      AUG 08, 2018
      NHTSA ID:
      #10144451

      This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or ... Read More »

    • TSB #PIP5428D

      Date Announced:
      JUL 12, 2018
      NHTSA ID:
      #10143763

      This Preliminary Information communication advises the technician that the ECM part numbers 55501366, 55502052 and 55485591 will be placed on a parts restriction through the General Motors Technical Assistance Center. Read More »

    • TSB #PIP5373B

      Date Announced:
      JUN 11, 2018
      NHTSA ID:
      #10143429

      This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. Read More »

    • TSB #PIE0461

      Date Announced:
      APR 26, 2018
      NHTSA ID:
      #10137612

      This engineering informational bulletin is requesting information from the field on vehicles with the condition of Driver Side Output Seal Leak. Read More »

    • TSB #17337

      Date Announced:
      MAR 29, 2018
      NHTSA ID:
      #10139297

      17337 - Product Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year ... Read More »

    • TSB #060089031E

      Date Announced:
      MAR 28, 2018
      NHTSA ID:
      #10137383

      This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »

    • TSB #PIP5486C

      Date Announced:
      MAR 13, 2018
      NHTSA ID:
      #10137186

      This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes. Read More »

    • TSB #PIP5493F

      Date Announced:
      MAR 12, 2018
      NHTSA ID:
      #10137181

      This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Read More »

    • TSB #18NA073

      Date Announced:
      MAR 08, 2018
      NHTSA ID:
      #10137301

      This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement. Read More »

    • TSB #PIP5560

      Date Announced:
      MAR 06, 2018
      NHTSA ID:
      #10137174

      This Preliminary information communicates a possible concern with the center insert of the oil filter adapter coming out during an oil change and the necessity to replace the oil filter adapter for this concern. Read More »

    • TSB #PIE0444A

      Date Announced:
      MAR 02, 2018
      NHTSA ID:
      #10137390

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTCs P2101 Throttle Actuator Position Performance and/or P2119 Throttle ... Read More »

    • TSB #PIT5363D

      Date Announced:
      MAR 01, 2018
      NHTSA ID:
      #10137165

      This Preliminary Information communication provides information to the technician about vehicles that may have a click or tick noise heard inside cab with engine running. Read More »

    • TSB #16NA338

      Date Announced:
      FEB 27, 2018
      NHTSA ID:
      #10137283

      This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of ... Read More »

    • TSB #090604015C

      Date Announced:
      FEB 27, 2018
      NHTSA ID:
      #10137343

      This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years. Read More »

    • TSB #090604026N

      Date Announced:
      FEB 15, 2018
      NHTSA ID:
      #10137344

      This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada Read More »

    • TSB #PIP5486B

      Date Announced:
      FEB 13, 2018
      NHTSA ID:
      #10129888

      This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes. Read More »

    • TSB #PIP5226B

      Date Announced:
      JAN 25, 2018
      NHTSA ID:
      #10129097

      This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »

    • TSB #PIP5540A

      Date Announced:
      JAN 18, 2018
      NHTSA ID:
      #10129073

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

    • TSB #PIE0444

      Date Announced:
      JAN 10, 2018
      NHTSA ID:
      #10139267

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTCs P2101 Throttle Actuator Position Performance and/or P2119 Throttle ... Read More »

    • TSB #PIP5428C

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10125096

      This Preliminary Information communication advises the technician that the ECM part numbers 55501366, 55502052 and 55485591 will be placed on a parts restriction through the General Motors Technical Assistance Center. Read More »

    • TSB #150089005A

      Date Announced:
      OCT 25, 2017
      NHTSA ID:
      #10134594

      This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). Read More »

    • TSB #PIT5505A

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123246

      This Preliminary Information communication advises the technician on the steps to diagnosing the concern and the repair rattle noise coming from the engine bay. Read More »

    • TSB #16NA129

      Date Announced:
      SEP 26, 2017
      NHTSA ID:
      #10159579

      This informational bulletin advises the technician not to change the crankshaft balancer if it has the illusion of a wobble or vibration appearance. Read More »

    • TSB #PIP5416B

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10156993

      This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. Read More »

    • TSB #16NA325

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10159584

      This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed. Read More »

    • TSB #070601016D

      Date Announced:
      SEP 05, 2017
      NHTSA ID:
      #10159574

      This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »

    • TSB #PIP5163C

      Date Announced:
      AUG 21, 2017
      NHTSA ID:
      #10137727

      This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or ... Read More »

    • TSB #PIP5216F

      Date Announced:
      JUN 07, 2017
      NHTSA ID:
      #10118250

      This Preliminary Information communication provides information to the technician about vehicles that have a knock noise, seized engine, lower end squeak or squeal from the engine. Read More »

    • TSB #00-06-01-012G

      Date Announced:
      MAY 17, 2017
      NHTSA ID:
      #10137601

      This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #21NA147

      Date Announced:
      JUN 22, 2021
      NHTSA ID:
      #10200146

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »

    • TSB #19NA256

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10198853

      This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »

    • TSB #18NA307

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10198845

      This technical bulletin provides a procedure to locate and repair a possible short in the wiring harness located at the camshaft cover or the cylinder head. Read More »

    • TSB #PIP5257E

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10197281

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Read More »

    • TSB #21NA108

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10199270

      This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »

    • TSB #21NA108

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10198879

      This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »

    • TSB #19NA044

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10198847

      This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »

    • TSB #PIP5247A

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193443

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P06DE set in the Engine Control Module. Read More »

    • TSB #20NA138

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191207

      This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »

    • TSB #010601011L

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186104

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #N202313200

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10186050

      Emission - General Motors has decided to conduct a Voluntary Emission Recall involving certain 2017-2020 Chevrolet Colorado and GMC Canyon vehicles. Read More »

    • TSB #N202313200

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10187344

      Emission - General Motors has decided to conduct a Voluntary Emission Recall involving certain 2017-2020 Chevrolet Colorado and GMC Canyon vehicles. Read More »

    • TSB #PIT5479D

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187185

      This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »

    • TSB #PIT5479D

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10185734

      This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »

    • TSB #090604026S

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10186106

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #19NA136

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187383

      This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »

    • TSB #20NA213

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183211

      This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »

    • TSB #PIP5628C

      Date Announced:
      OCT 08, 2020
      NHTSA ID:
      #10182545

      This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »

    • TSB #18NA115

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10181670

      This Bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set. Read More »

    • TSB #PIP5095G

      Date Announced:
      JUL 02, 2020
      NHTSA ID:
      #10178361

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. Read More »

    • TSB #PIP5257E

      Date Announced:
      JUN 01, 2020
      NHTSA ID:
      #10178302

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Read More »

    • TSB #PIP5684A

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176300

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #PIC5650G

      Date Announced:
      APR 27, 2020
      NHTSA ID:
      #10174861

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #PIP5257D

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10174827

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Read More »

    • TSB #PIT5688B

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172336

      This preliminary information was released to advise of an alternate means of purging the air from the cooling system.  Read More »

    • TSB #PIP5540F

      Date Announced:
      JAN 14, 2020
      NHTSA ID:
      #10171280

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

    • TSB #18NA127

      Date Announced:
      OCT 23, 2019
      NHTSA ID:
      #10168184

      This informational bulletin provides information to check and verify that no leaks are found and clean the flux build up using a good brush. Read More »

    • TSB #18NA356

      Date Announced:
      OCT 22, 2019
      NHTSA ID:
      #10168190

      This technical bulletin provides a procedure to correct a condition of Vibration and/or Noise Heard During Hard Acceleration at Speeds of 77 km/h (48 mph) to 83 km/h (52 mph). Read More »

    • TSB #PIP5370E

      Date Announced:
      OCT 17, 2019
      NHTSA ID:
      #10167448

      This Preliminary Information communication provides information to the technician that some vehicle may have an ?Exhaust Fluid Quality Poor? on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid ... Read More »

    • TSB #010601011K

      Date Announced:
      OCT 09, 2019
      NHTSA ID:
      #10168205

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #17NA114

      Date Announced:
      SEP 19, 2019
      NHTSA ID:
      #10166639

      This technical bulletin provides a procedure to Tighten the Charge Air Cooler Duct Clamp to correct a condition of an oil leak originating from either the inlet or outlet duct of the turbocharger due to the charge air cooler pipe clamp ... Read More »

    • TSB #17NA352

      Date Announced:
      SEP 19, 2019
      NHTSA ID:
      #10166643

      This informational bulletin explains how the SOOT readings went from grams to percentage. 2-1-18 Change Subject to reflect the test procedure. 5-1-18 Updated the Information section. Read More »

    • TSB #17NA194

      Date Announced:
      SEP 18, 2019
      NHTSA ID:
      #10166641

      This informational bulletin advises the technician to test the induction system for leaks for any of the codes listed. Read More »

    • TSB #PIE0540

      Date Announced:
      SEP 17, 2019
      NHTSA ID:
      #10166674

      This engineering informational bulletin is requesting to gather information from the field to determine a root cause for a condition of oil leaking from the valve rocker arm oil control valve. Read More »

    • TSB #090604026R

      Date Announced:
      AUG 21, 2019
      NHTSA ID:
      #10165124

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #000601026M

      Date Announced:
      AUG 15, 2019
      NHTSA ID:
      #10165121

      This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »

    • TSB #070601016F

      Date Announced:
      AUG 13, 2019
      NHTSA ID:
      #10165122

      This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »

    • TSB #17NA134

      Date Announced:
      JUL 29, 2019
      NHTSA ID:
      #10163881

      This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2. Read More »

    • TSB #PIT5688

      Date Announced:
      MAY 20, 2019
      NHTSA ID:
      #10161033

      This preliminary information was released to advise of an alternate means of purging the air from the cooling system.  Read More »

    • TSB #PIE0490A

      Date Announced:
      FEB 21, 2019
      NHTSA ID:
      #10154654

      This engineering informational bulletin is requesting information on a coolant leak from the water pump and want pictures including phone call to the engineer. Read More »

    • TSB #PIE0491A

      Date Announced:
      FEB 21, 2019
      NHTSA ID:
      #10154655

      This engineering informational bulletin is requesting information on a coolant leak from the water pump and want pictures including phone call to the engineer. Read More »

    • TSB #PIP5540D

      Date Announced:
      FEB 19, 2019
      NHTSA ID:
      #10154306

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

    • TSB #PIP5628

      Date Announced:
      FEB 18, 2019
      NHTSA ID:
      #10154299

      This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »

    • TSB #18368-01

      Date Announced:
      JAN 10, 2019
      NHTSA ID:
      #10154260

      18368 - Customer Satisfaction Program. Certain Chevrolet Colorado and GMC Canyon vehicles equipped with the 3.6L LGZ engine may experience a loss of engine oil caused by high oil pump pressure in cold weather start conditions. Read More »

    • TSB #18368

      Date Announced:
      JAN 04, 2019
      NHTSA ID:
      #10154257

      18368 - Customer Satisfaction Program. Certain Chevrolet Colorado and GMC Canyon vehicles equipped with the 3.6L LGZ engine may experience a loss of engine oil caused by high oil pump pressure in cold weather start conditions. Read More »

    • TSB #PIC5650F

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154604

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #PIP5545B

      Date Announced:
      DEC 11, 2018
      NHTSA ID:
      #10154580

      This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair. Read More »

    • TSB #PIP5540B

      Date Announced:
      DEC 06, 2018
      NHTSA ID:
      #10154566

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

    • TSB #PIT5625A

      Date Announced:
      NOV 15, 2018
      NHTSA ID:
      #10151854

      This preliminary information is to alert the service technician of a potential A/C evaporator freezing concern , engineering is investigating.  Read More »

    • TSB #PIT5420F

      Date Announced:
      NOV 13, 2018
      NHTSA ID:
      #10151831

      This Preliminary Information communicates information to the technician about vehicles that may have a water rush or gurgle type noise from the center dash area. Engineering is aware of the concern and it is under investigation. Read More »

    • TSB #PIP5416C

      Date Announced:
      OCT 17, 2018
      NHTSA ID:
      #10147385

      This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. Read More »

    • TSB #PIP5583

      Date Announced:
      SEP 05, 2018
      NHTSA ID:
      #10145465

      This Preliminary information communicates direction to lubricate a noisy water pump shaft seal with coolant in the weap hole. Read More »

    • TSB #PIP5095F

      Date Announced:
      AUG 09, 2018
      NHTSA ID:
      #10144454

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. Read More »

    • TSB #PIP5560B

      Date Announced:
      AUG 01, 2018
      NHTSA ID:
      #10144422

      This Preliminary information communicates a possible concern with the center insert of the oil filter adapter coming out during an oil change and the necessity to replace the oil filter adapter insert for this concern from a new oil ... Read More »

    • TSB #PIP5151E

      Date Announced:
      JUN 18, 2018
      NHTSA ID:
      #10143447

      This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Read More »

    • TSB #PIP5566

      Date Announced:
      APR 19, 2018
      NHTSA ID:
      #10137511

      This Preliminary information communicates an issue with the air inlet duct to the throttle body and a new part being developed to correct the condition. Read More »

    • TSB #18NA125

      Date Announced:
      APR 19, 2018
      NHTSA ID:
      #10137589

      This informational bulletin provides information for engine oil life monitor operation calculation. Read More »

    • TSB #18NA115

      Date Announced:
      APR 13, 2018
      NHTSA ID:
      #10137551

      This Bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set. Read More »

    • TSB #PIP5560A

      Date Announced:
      APR 11, 2018
      NHTSA ID:
      #10137500

      This Preliminary information communicates a possible concern with the center insert of the oil filter adapter coming out during an oil change and the necessity to replace the oil filter adapter insert for this concern from a new oil ... Read More »

    • TSB #PIP5095E

      Date Announced:
      FEB 22, 2018
      NHTSA ID:
      #10129900

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. Read More »

    • TSB #PIT5420E

      Date Announced:
      FEB 12, 2018
      NHTSA ID:
      #10129882

      This Preliminary Information communicatesinformation to the technician about vehicles that may have a water rush or gurgle type noise from the center dash area. Engineering is aware of the concern and it is under investigation. Read More »

    • TSB #010601011J

      Date Announced:
      NOV 30, 2017
      NHTSA ID:
      #10139088

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #17337 01 (Bullet

      Date Announced:
      NOV 16, 2017
      NHTSA ID:
      #10135154

      17337 01 - Product Emission. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. Read More »

    • TSB #17337 (Bulletin

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10135133

      17337 - Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. Read More »

    • TSB #17NA307

      Date Announced:
      SEP 26, 2017
      NHTSA ID:
      #10159623

      This informational bulletin provides information of a possible misfire that may happen from incorrect camshafts being installed in the reman engines. Read More »

    • TSB #000601012H

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10159569

      This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »

    • TSB #17NA292

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10159608

      This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set. Read More »

    • TSB #00-06-01-026J

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140293

      This informational bulletin provides information on Intake Manifold Inspection/Replacement After Severe Internal Engine Damage. Read More »

    • TSB #17-NA-114

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140369

      This technical bulletin provides a procedure to Tighten the Charge Air Cooler Duct Clamp to correct a condition of an oil leak originating from either the inlet or outlet duct of the turbocharger due to the charge air cooler pipe clamp ... Read More »

    • TSB #17-NA-194

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140372

      This informational bulletin advises the technician to test the induction system for leaks for any of the codes listed. Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #PIE0494A

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10158870

      This engineering information PI ends the need for information from the field on a oil leak from the oil pan. Read More »

    • TSB #PIE0495A

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158871

      This engineering information PI ends the need for information from the field on a oil leak from the oil pan. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #090604026S

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10187627

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

    • TSB #20NA031

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172787

      This informational bulletin advises the tech to replace the engine drive belt if after replacing the injectors, one of the codes returns. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

    • TSB #17NA222

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183139

      This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent. Read More »

    • TSB #17NA114

      Date Announced:
      OCT 21, 2020
      NHTSA ID:
      #10183135

      This technical bulletin provides a procedure to Tighten the Charge Air Cooler Duct Clamp to correct a condition of an oil leak originating from either the inlet or outlet duct of the turbocharger due to the charge air cooler pipe clamp ... Read More »

    • TSB #17NA222

      Date Announced:
      SEP 20, 2019
      NHTSA ID:
      #10166642

      This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent. Read More »

    • TSB #PI0653E

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10139284

      This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »

    • TSB #17-NA-222

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140376

      This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent. Read More »

    • TSB #17-NA-114

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140369

      This technical bulletin provides a procedure to Tighten the Charge Air Cooler Duct Clamp to correct a condition of an oil leak originating from either the inlet or outlet duct of the turbocharger due to the charge air cooler pipe clamp ... Read More »

    ENGINE AND ENGINE COOLING:ENGINE:DIESEL

    • TSB #030604017O

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184500

      This Informational Bulletin provides information on availability of Diesel Fuel additives. Read More »

    • TSB #16NA325

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183128

      This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed. Read More »

    • TSB #17337-01

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191038

      General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado ... Read More »

    • TSB #16NA244

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10159582

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

    • TSB #010601011L

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187625

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR

    • TSB #PIP5540G

      Date Announced:
      MAR 22, 2021
      NHTSA ID:
      #10190417

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

    • TSB #17337

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191039

      General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado ... Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #PIP5684B

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10178370

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #PIP5544

      Date Announced:
      JAN 16, 2018
      NHTSA ID:
      #10129068

      This Preliminary information communicates a condition where there is oil getting into the cooling system and diagnosis and repair recommendations. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

    • TSB #19NA007

      Date Announced:
      OCT 20, 2020
      NHTSA ID:
      #10183165

      This technical bulletin provides a procedure to replace the surge tank if found the cause of the customers concern. Read More »

    • TSB #19NA007

      Date Announced:
      JUN 27, 2019
      NHTSA ID:
      #10163210

      This technical bulletin provides a procedure to replace the surge tank if found the cause of the customers concern. Read More »

    • TSB #19NA104

      Date Announced:
      JUN 10, 2019
      NHTSA ID:
      #10163237

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP

    • TSB #18NA103

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183153

      This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #100605002I

      Date Announced:
      NOV 02, 2020
      NHTSA ID:
      #10184502

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #16NA206

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183125

      This service bulletin provides service information on a New Way to Look at NOx Sensor Readings and Exhaust Temperature During a DPF Regeneration or a Reductant System Malfunction Warning Service Bay Test. Read More »

    • TSB #17NA352

      Date Announced:
      OCT 19, 2020
      NHTSA ID:
      #10183149

      This informational bulletin explains how the SOOT readings went from grams to percentage. 2-1-18 Change Subject to reflect the test procedure. 5-1-18 Updated the Information section. Read More »

    • TSB #17NA134

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183136

      This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2. Read More »

    • TSB #17NA076

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168179

      This informational bulletin explains how the DEF filler pipe grommet can possible expand to the filler cap causing the cap not to seal properly. Read More »

    • TSB #100605002H

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168209

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #16NA383

      Date Announced:
      MAY 21, 2019
      NHTSA ID:
      #10161932

      This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. Read More »

    • TSB #PIP5370D

      Date Announced:
      AUG 08, 2018
      NHTSA ID:
      #10144449

      This Preliminary Information communication provides information to the technician that some vehicle may have an “Exhaust Fluid Quality Poor” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other ... Read More »

    • TSB #PIP5370C

      Date Announced:
      JUN 19, 2018
      NHTSA ID:
      #10143448

      This Preliminary Information communication provides information to the technician that some vehicle may have an “Exhaust Fluid Quality Poor” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other ... Read More »

    • TSB #17337

      Date Announced:
      MAR 29, 2018
      NHTSA ID:
      #10139297

      17337 - Product Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year ... Read More »

    • TSB #17NA352

      Date Announced:
      NOV 09, 2017
      NHTSA ID:
      #10139124

      This informational bulletin explains how the SOOT readings went from grams to percentage. Read More »

    • TSB #100605002E

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159576

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #16NA206

      Date Announced:
      SEP 05, 2017
      NHTSA ID:
      #10159580

      Update Model years 2017 and 2018 Read More »

    • TSB #17-NA-219

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140375

      This technical bulletin provides to the technician a possible issue with the NOx sensor wiring harness and what to do if corrosion is found. Read More »

    • TSB #16-NA-380

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140304

      This Technical bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #N202313200

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10187212

      Emission - General Motors has decided to conduct a Voluntary Emission Recall involving certain 2017-2020 Chevrolet Colorado and GMC Canyon vehicles. Read More »

    • TSB #15NA010

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10171875

      This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states. Read More »

    • TSB #PIP4925B

      Date Announced:
      DEC 03, 2018
      NHTSA ID:
      #10154552

      This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools. Read More »

    • TSB #18239

      Date Announced:
      AUG 07, 2018
      NHTSA ID:
      #10145170

      18239 - Emissions Recall - General Motors has decided to conduct a Voluntary Emission Recall involving certain 2018 model year vehicles, equipped with 4-cylinder engines (RPO LHN, LEX, L3A, LYX, LKN, LE2, LCV or LTG). Read More »

    • TSB #17337 02

      Date Announced:
      JAN 22, 2018
      NHTSA ID:
      #10137159

      17337 02 Phase 3 - Product Emission. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. Read More »

    • TSB #17337-01

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191038

      General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado ... Read More »

    • TSB #16NA377

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10159588

      This informational bulletin provides information on a Service Emission System Message and/or a Malfunction Indicator Lamp illuminated. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

    • TSB #17466

      Date Announced:
      JAN 17, 2018
      NHTSA ID:
      #10137157

      17466 - Service Update. A timing belt message may be displayed at 100,000 miles (160,000 km), and not at 150,000 miles (240,000 km) per specifications. Read More »

    • TSB #17NA391

      Date Announced:
      DEC 08, 2017
      NHTSA ID:
      #10139230

      This technical bulletin provides a procedure to inspect the PCV fresh air and foul air connectors for proper connections. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

    • TSB #060601010D

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10139279

      This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

    • TSB #16NA380

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183132

      This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #16NA380

      Date Announced:
      JUN 08, 2020
      NHTSA ID:
      #10178252

      This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #16NA380

      Date Announced:
      AUG 26, 2019
      NHTSA ID:
      #10165080

      This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #16NA380

      Date Announced:
      MAY 07, 2019
      NHTSA ID:
      #10161931

      This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #PIP4112S

      Date Announced:
      MAR 12, 2018
      NHTSA ID:
      #10137182

      This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #19NA153

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10198850

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #PIP5163E

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190437

      This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or ... Read More »

    • TSB #20NA110

      Date Announced:
      JAN 11, 2021
      NHTSA ID:
      #10187757

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #18NA103

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183153

      This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated. Read More »

    • TSB #20NA110

      Date Announced:
      JUN 11, 2020
      NHTSA ID:
      #10178270

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #PIT5363F

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176336

      This Preliminary Information communication provides information to the technician about vehicles that may have a click or tick noise heard inside cab with engine running. Read More »

    • TSB #PIP5725

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176310

      This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. Read More »

    • TSB #19NA153

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176611

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #PIT5493C

      Date Announced:
      SEP 03, 2019
      NHTSA ID:
      #10165860

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a fuel gauge that does not read below half a tank. Read More »

    • TSB #PIT5493B

      Date Announced:
      JUL 24, 2019
      NHTSA ID:
      #10163677

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a fuel gauge that does not read below half a tank. Read More »

    • TSB #050604022Q

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163261

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #18NA103

      Date Announced:
      JUN 24, 2019
      NHTSA ID:
      #10163226

      This Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Read More »

    • TSB #PIT5363E

      Date Announced:
      MAY 17, 2019
      NHTSA ID:
      #10161030

      This Preliminary Information communication provides information to the technician about vehicles that may have a click or tick noise heard inside cab with engine running. Read More »

    • TSB #PIP5569A

      Date Announced:
      APR 24, 2019
      NHTSA ID:
      #10160690

      This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. Read More »

    • TSB #050604022P

      Date Announced:
      MAR 07, 2019
      NHTSA ID:
      #10158858

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #PIT5493A

      Date Announced:
      FEB 26, 2019
      NHTSA ID:
      #10154327

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a fuel gauge that does not read below half a tank. Read More »

    • TSB #PIP5596

      Date Announced:
      OCT 03, 2018
      NHTSA ID:
      #10147348

      This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »

    • TSB #PIP5151F

      Date Announced:
      JUL 30, 2018
      NHTSA ID:
      #10143785

      This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Read More »

    • TSB #PIP5151E

      Date Announced:
      JUN 18, 2018
      NHTSA ID:
      #10143447

      This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Read More »

    • TSB #18NA103

      Date Announced:
      APR 05, 2018
      NHTSA ID:
      #10137540

      This Technical Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Read More »

    • TSB #PIP5486B

      Date Announced:
      FEB 13, 2018
      NHTSA ID:
      #10129888

      This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes. Read More »

    • TSB #PIP5493E

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129081

      This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Read More »

    • TSB #PIP5545

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10129063

      This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair. Read More »

    • TSB #050604022O

      Date Announced:
      DEC 21, 2017
      NHTSA ID:
      #10139209

      This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles. Read More »

    FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER

    • TSB #21NA124

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10199281

      This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »

    FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

    • TSB #PIP5596

      Date Announced:
      OCT 03, 2018
      NHTSA ID:
      #10147348

      This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »

    • TSB #PIT5363D

      Date Announced:
      MAR 01, 2018
      NHTSA ID:
      #10137165

      This Preliminary Information communication provides information to the technician about vehicles that may have a click or tick noise heard inside cab with engine running. Read More »

    FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

    • TSB #PIP5596

      Date Announced:
      OCT 03, 2018
      NHTSA ID:
      #10147348

      This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #16NA383

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176607

      This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels ... Read More »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #20NA098

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176632

      This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC. Read More »

    • TSB #20NA031

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172787

      This informational bulletin advises the tech to replace the engine drive belt if after replacing the injectors, one of the codes returns. Read More »

    • TSB #16-NA-383

      Date Announced:
      MAY 10, 2017
      NHTSA ID:
      #10137635

      This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. Read More »

    FUEL SYSTEM, DIESEL

    • TSB #030604017O

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184500

      This Informational Bulletin provides information on availability of Diesel Fuel additives. Read More »

    • TSB #16NA244

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183127

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #19NA237

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183176

      This informational bulletin explains how to identify possible DEF contamination. Read More »

    • TSB #050604022R

      Date Announced:
      OCT 21, 2020
      NHTSA ID:
      #10183779

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #20NA110

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10183168

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #N192273630-01

      Date Announced:
      FEB 12, 2020
      NHTSA ID:
      #10172657

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2018-2019 model year diesel engine vehicles. Read More »

    • TSB #19NA237

      Date Announced:
      OCT 17, 2019
      NHTSA ID:
      #10168197

      This informational bulletin explains how to identify possible DEF contamination. Read More »

    • TSB #030604017N

      Date Announced:
      SEP 30, 2019
      NHTSA ID:
      #10166665

      This Informational Bulletin provides information on availability of Diesel Fuel additives. Read More »

    • TSB #050604022Q

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163261

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #050604022P

      Date Announced:
      MAR 07, 2019
      NHTSA ID:
      #10158858

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #PIP5370C

      Date Announced:
      JUN 19, 2018
      NHTSA ID:
      #10143448

      This Preliminary Information communication provides information to the technician that some vehicle may have an “Exhaust Fluid Quality Poor” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other ... Read More »

    • TSB #PIP5543A

      Date Announced:
      APR 05, 2018
      NHTSA ID:
      #10137489

      This Preliminary information communicates to dealer technicians a repair direction for a whine or siren type noise coming from the in tank fuel pump in cold weather areas due to possible diesel fuel waxing or gelling issues. Read More »

    • TSB #050604022O

      Date Announced:
      DEC 21, 2017
      NHTSA ID:
      #10139209

      This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles. Read More »

    • TSB #17337 Phase 2

      Date Announced:
      DEC 12, 2017
      NHTSA ID:
      #10130540

      17337 01 Phase 2 - Product Emission. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. Read More »

    • TSB #17NA076

      Date Announced:
      NOV 16, 2017
      NHTSA ID:
      #10139081

      This informational bulletin explains how the DEF filler pipe grommet can possible expand to the filler cap causing the cap not to seal properly. Read More »

    • TSB #PIP5428B

      Date Announced:
      OCT 11, 2017
      NHTSA ID:
      #10123236

      This Preliminary Information communication advises the technician that the 2016, 2017 and 2018 Chevrolet Colorado and GMC Canyons equipped with the 2. Read More »

    • TSB #PIP5428A

      Date Announced:
      OCT 06, 2017
      NHTSA ID:
      #10123229

      This Preliminary Information communication advises the technician that the 2016, 2017 and 2018 Chevrolet Colorado and GMC Canyons equipped with the 2. Read More »

    • TSB #16NA244

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10159582

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #030604017L

      Date Announced:
      SEP 05, 2017
      NHTSA ID:
      #10159571

      This Informational Bulletin provides information on availability of Diesel Fuel additives. Read More »

    FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP

    • TSB #20NA110

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10183168

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #16NA017

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183123

      This informational bulletin provides information ticking noise and/or noise when turning vehicle off. Read More »

    FUEL SYSTEM, OTHER:KINETIC:CLUTCH

    • TSB #18NA285

      Date Announced:
      JAN 22, 2021
      NHTSA ID:
      #10187747

      This informational bulletin advises the tech of a possible normal condition when the vehicle creeps forward during start up conditions when the clutch packs are full of residual oil. Read More »

    POWER TRAIN

    • TSB #PIC5650J

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201252

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #080730035E

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200152

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #PIP5621B

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10197314

      This Preliminary information communicates to the dealer  technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »

    • TSB #16NA338

      Date Announced:
      APR 30, 2021
      NHTSA ID:
      #10194079

      This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »

    • TSB #PIP5802

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193444

      This Preliminary information communicates diagnostic assistance for DTC's P219A and P219B. Read More »

    • TSB #PIP5348C

      Date Announced:
      APR 08, 2021
      NHTSA ID:
      #10193441

      This Preliminary Information communication provides information to the technician about vehicles that may have a vibration at idle in gear or at very low speeds. Read More »

    • TSB #20NA138

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191207

      This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »

    • TSB #19NA153

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10187384

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #16NA019

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186058

      This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #16NA019

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187372

      This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #20NA187

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10181713

      This technical bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off. Read More »

    • TSB #16NA019

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10181660

      This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #16NA338

      Date Announced:
      JUL 28, 2020
      NHTSA ID:
      #10178949

      This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »

    • TSB #20NA138

      Date Announced:
      JUN 23, 2020
      NHTSA ID:
      #10178288

      This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »

    • TSB #PIP5429A

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176309

      This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Read More »

    • TSB #19NA035

      Date Announced:
      APR 01, 2020
      NHTSA ID:
      #10175748

      This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving. Read More »

    • TSB #18NA355

      Date Announced:
      MAR 30, 2020
      NHTSA ID:
      #10174266

      This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition. Read More »

    • TSB #PIP5700B

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10173674

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »

    • TSB #PIP5700A

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171294

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »

    • TSB #19NA153

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169271

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #PIP5621A

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168978

      This Preliminary information communicates to the dealer  technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »

    • TSB #16NA019

      Date Announced:
      NOV 13, 2019
      NHTSA ID:
      #10169298

      Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #990420002K

      Date Announced:
      OCT 29, 2019
      NHTSA ID:
      #10168212

      This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations. Read More »

    • TSB #PIE0525A

      Date Announced:
      OCT 15, 2019
      NHTSA ID:
      #10168217

      This engineering informational bulletin is requesting information on the 4WD will not engage when requested. Read More »

    • TSB #16NA338

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168175

      This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »

    • TSB #16NA361

      Date Announced:
      OCT 08, 2019
      NHTSA ID:
      #10168176

      This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed. Read More »

    • TSB #19NA153

      Date Announced:
      AUG 07, 2019
      NHTSA ID:
      #10165104

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #N192217820

      Date Announced:
      AUG 01, 2019
      NHTSA ID:
      #10165435

      N192217820 - Service Update Bulletin. The current transmission fluid may cause the customer to experience a shake or shudder feeling, which may be described as driving over rumble strips or rough pavement. Read More »

    • TSB #18NA355

      Date Announced:
      JUL 29, 2019
      NHTSA ID:
      #10163890

      This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition. Read More »

    • TSB #16NA017

      Date Announced:
      JUL 29, 2019
      NHTSA ID:
      #10163879

      This informational bulletin provides information ticking noise and/or noise when turning vehicle off. Read More »

    • TSB #19NA142

      Date Announced:
      JUL 25, 2019
      NHTSA ID:
      #10164120

      This technical bulletin provides information for new transmission oil to use, a procedure for exchanging the old fluid and adding the new fluid to a service transmission. Read More »

    • TSB #PI1344C

      Date Announced:
      JUL 16, 2019
      NHTSA ID:
      #10163902

      This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set. Read More »

    • TSB #16NA338

      Date Announced:
      JUN 06, 2019
      NHTSA ID:
      #10163215

      This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »

    • TSB #18NA355

      Date Announced:
      MAY 21, 2019
      NHTSA ID:
      #10161881

      This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition. Read More »

    • TSB #080730035D

      Date Announced:
      MAY 20, 2019
      NHTSA ID:
      #10161968

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #19NA035

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158834

      This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as attended causing the parking pawl to engage while driving. Read More »

    • TSB #18NA355

      Date Announced:
      MAR 01, 2019
      NHTSA ID:
      #10158827

      This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition. Read More »

    • TSB #16NA338

      Date Announced:
      FEB 28, 2019
      NHTSA ID:
      #10154638

      This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »

    • TSB #PIP4021D

      Date Announced:
      FEB 21, 2019
      NHTSA ID:
      #10154312

      This Preliminary Information communication provides information to the technician that a whine noise heard from the automatic transmission fluid pan hear with the the key on and engine off, or for up to one minute after the vehicle has ... Read More »

    • TSB #18NA177

      Date Announced:
      FEB 08, 2019
      NHTSA ID:
      #10154543

      This technical bulletin is providing a diagnostic information and a procedure to flush the transmission system and replace transmission filter. Read More »

    • TSB #17NA066

      Date Announced:
      DEC 14, 2018
      NHTSA ID:
      #10154975

      This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #PIP5508B

      Date Announced:
      JUN 15, 2018
      NHTSA ID:
      #10143444

      This Preliminary Information communication advises the technician that the Product Quality Center has ended the part restriction for the T87A Transmission Control Module. Read More »

    • TSB #080730035C

      Date Announced:
      APR 09, 2018
      NHTSA ID:
      #10137554

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #080730026E

      Date Announced:
      DEC 12, 2017
      NHTSA ID:
      #10139179

      This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »

    • TSB #040730013D

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10139089

      This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »

    • TSB #PIP5508A

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123256

      This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the T87A Transmission Control Module. Read More »

    • TSB #PIE0405A

      Date Announced:
      SEP 21, 2017
      NHTSA ID:
      #10159630

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder. Read More »

    • TSB #16NA325

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10159584

      This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed. Read More »

    • TSB #PIP5348B

      Date Announced:
      JUN 07, 2017
      NHTSA ID:
      #10118248

      This Preliminary Information communication provides information to the technician about vehicles that may have a vibration at idle in gear or at very low speeds. Read More »

    • TSB #17-NA-066

      Date Announced:
      MAR 09, 2017
      NHTSA ID:
      #10138053

      This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. Read More »

    POWER TRAIN:MANUAL TRANSMISSION

    • TSB #990420002L

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10200154

      This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »

    • TSB #030729004L

      Date Announced:
      APR 02, 2019
      NHTSA ID:
      #10160133

      This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #990420002L

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10200154

      This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »

    • TSB #060089031F

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184501

      This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »

    • TSB #1308116001F

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183782

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #16NA361

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10180293

      This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed. Read More »

    • TSB #PIP5700

      Date Announced:
      JAN 14, 2020
      NHTSA ID:
      #10171279

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »

    • TSB #080730026F

      Date Announced:
      AUG 12, 2019
      NHTSA ID:
      #10165123

      This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »

    • TSB #PIP3366C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143757

      This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic ... Read More »

    • TSB #060089031E

      Date Announced:
      MAR 28, 2018
      NHTSA ID:
      #10137383

      This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »

    • TSB #16NA338

      Date Announced:
      FEB 27, 2018
      NHTSA ID:
      #10137283

      This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of ... Read More »

    • TSB #16NA175

      Date Announced:
      DEC 13, 2017
      NHTSA ID:
      #10139218

      This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state. Read More »

    • TSB #17-NA-066

      Date Announced:
      MAY 10, 2017
      NHTSA ID:
      #10137640

      This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)

    • TSB #17337

      Date Announced:
      MAR 29, 2018
      NHTSA ID:
      #10139297

      17337 - Product Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year ... Read More »

    • TSB #PIE0444

      Date Announced:
      JAN 10, 2018
      NHTSA ID:
      #10139267

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTCs P2101 Throttle Actuator Position Performance and/or P2119 Throttle ... Read More »

    • TSB #17337-01

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191038

      General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado ... Read More »

    • TSB #17337

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191039

      General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado ... Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

    • TSB #150089004C

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188403

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT

    • TSB #PIP5595

      Date Announced:
      OCT 02, 2018
      NHTSA ID:
      #10147347

      This Preliminary information communicates the noise iso later for the shift boot may be out of position deforming the leather or allowing noise into the cabin. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

    • TSB #19NA153

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10186070

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #19NA153

      Date Announced:
      JUL 11, 2019
      NHTSA ID:
      #10164123

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #PIE0405C

      Date Announced:
      JAN 29, 2018
      NHTSA ID:
      #10139262

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder. Read More »

    • TSB #PIE0405B

      Date Announced:
      OCT 04, 2017
      NHTSA ID:
      #10134604

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder. Read More »

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #19NA136

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186069

      This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »

    • TSB #PIE0525

      Date Announced:
      JUN 05, 2019
      NHTSA ID:
      #10163276

      This engineering informational bulletin is requesting information on the 4WD will not engage when requested. Read More »

    • TSB #PIP3366C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143757

      This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic ... Read More »

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

    • TSB #18198

      Date Announced:
      JUN 26, 2018
      NHTSA ID:
      #10143750

      18198 - Certain vehicles may have the c-clip missing from the rear axle shaft. If the c-clip is missing, a brake squeal noise may be heard coming from the rear of the vehicle, and brake pulsation or vibration may be felt. Read More »

    ELECTRICAL SYSTEM

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201253

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201177

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #21NA124

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10198890

      This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »

    • TSB #18NA307

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10199236

      This technical bulletin provides a procedure to locate and repair a possible short in the wiring harness located at the camshaft cover or the cylinder head. Read More »

    • TSB #19NA153

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199241

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #19NA044

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199238

      This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »

    • TSB #20NA132

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10191206

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #PIT5516F

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187174

      This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation. Read More »

    • TSB #PIT5516F

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10185723

      This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation. Read More »

    • TSB #PIT5626C

      Date Announced:
      DEC 09, 2020
      NHTSA ID:
      #10187172

      This Preliminary information communicates the potential for a wire chafe to cause intermittent communications concerns and multiple MIL's on in the IPC. Read More »

    • TSB #PIT5512B

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10187170

      This Preliminary Information communication advises the technician to inspect for aftermarket accessory lamps for a loss of remote functions. Read More »

    • TSB #PIT5512B

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10185719

      This Preliminary Information communication advises the technician to inspect for aftermarket accessory lamps for a loss of remote functions. Read More »

    • TSB #PIP5416D

      Date Announced:
      NOV 09, 2020
      NHTSA ID:
      #10184101

      This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. Read More »

    • TSB #1308116001F

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183782

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #20NA157

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181695

      This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »

    • TSB #20NA157

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10180315

      This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »

    • TSB #PIP5632C

      Date Announced:
      AUG 03, 2020
      NHTSA ID:
      #10179620

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #PIC5650H

      Date Announced:
      JUL 24, 2020
      NHTSA ID:
      #10178384

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #PIT5698A

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178380

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    • TSB #PIP5095G

      Date Announced:
      JUL 02, 2020
      NHTSA ID:
      #10178361

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. Read More »

    • TSB #20NA132

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10178282

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #PIT5509G

      Date Announced:
      JUN 23, 2020
      NHTSA ID:
      #10178343

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #20NA118

      Date Announced:
      JUN 03, 2020
      NHTSA ID:
      #10178274

      This technical bulletin advises that the code may be false and it should be cleared and then take the vehicle for a test drive to verify the code will not return and advise the customer of how the code may set during certain driving ... Read More »

    • TSB #070604025M

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176648

      This informational bulletin provides information on Clicking/Ticking Sound/Noise Heard During Cold Start and that this should be considered a normal characteristic. Read More »

    • TSB #070849020Q

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176649

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIP5429A

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176309

      This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Read More »

    • TSB #PIT5492C

      Date Announced:
      MAY 07, 2020
      NHTSA ID:
      #10176305

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have the battery is discharged overnight. Technician will need to inspect X301 for bent pins as shown below. Read More »

    • TSB #PIP5700C

      Date Announced:
      MAY 07, 2020
      NHTSA ID:
      #10176306

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »

    • TSB #PIT5516C

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10174820

      This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation. Read More »

    • TSB #PIT5509F

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10173714

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #PIT5516C

      Date Announced:
      MAR 17, 2020
      NHTSA ID:
      #10173707

      This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation. Read More »

    • TSB #PIT5696D

      Date Announced:
      MAR 17, 2020
      NHTSA ID:
      #10173708

      This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer. Read More »

    • TSB #N192273630-02

      Date Announced:
      MAR 12, 2020
      NHTSA ID:
      #10173955

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2016-2019 model year diesel engine vehicles. Read More »

    • TSB #PIP5700B

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10173674

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »

    • TSB #N192273630-01

      Date Announced:
      FEB 12, 2020
      NHTSA ID:
      #10172657

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2018-2019 model year diesel engine vehicles. Read More »

    • TSB #PIP4723D

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10171318

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #PIP5700A

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171294

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »

    • TSB #19NA153

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169271

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #PIT5074M

      Date Announced:
      NOV 05, 2019
      NHTSA ID:
      #10168956

      This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »

    • TSB #PIT5509E

      Date Announced:
      OCT 28, 2019
      NHTSA ID:
      #10167466

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #PIT5626B

      Date Announced:
      OCT 16, 2019
      NHTSA ID:
      #10167444

      This Preliminary information communicates the potential for a wire chafe to cause intermittent communications concerns and multiple MIL's on in the IPC. Read More »

    • TSB #PIT5512A

      Date Announced:
      OCT 16, 2019
      NHTSA ID:
      #10167445

      This Preliminary Information communication advises the technician to inspect for aftermarket accessory lamps for a loss of remote functions. Read More »

    • TSB #PIP5601A

      Date Announced:
      OCT 10, 2019
      NHTSA ID:
      #10167434

      This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Read More »

    • TSB #PIT5324C

      Date Announced:
      SEP 26, 2019
      NHTSA ID:
      #10165906

      This Preliminary Information communication provides information to the technician about installing an aftermarket Trailer Brake Controller. Read More »

    • TSB #PIP4670H

      Date Announced:
      SEP 25, 2019
      NHTSA ID:
      #10165904

      This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »

    • TSB #16NA325

      Date Announced:
      SEP 19, 2019
      NHTSA ID:
      #10166637

      This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed. Read More »

    • TSB #PIP5632B

      Date Announced:
      SEP 06, 2019
      NHTSA ID:
      #10165877

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #PI0592E

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10165127

      This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961). Read More »

    • TSB #18NA266

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10165092

      This technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC). Read More »

    • TSB #N192218430

      Date Announced:
      AUG 13, 2019
      NHTSA ID:
      #10165441

      N192218430 - Customer Satisfaction Program. During service, certain vehicles equipped with OnStar (RPO UE1), may have received an incorrect and partially programmed/configured replacement OnStar module. Read More »

    • TSB #19NA150

      Date Announced:
      JUL 10, 2019
      NHTSA ID:
      #10164121

      This informational bulletin advises the tech that intake camshaft actuator solenoid bank and the intake actuator park lock solenoid have the same electrical connector and may be swapped causing the concern. Read More »

    • TSB #PIP5571A

      Date Announced:
      JUL 10, 2019
      NHTSA ID:
      #10163660

      This Preliminary information communicates a possible concern of two connectors being swapped during a repair causing a P0016 code to set. Read More »

    • TSB #PIT5626A

      Date Announced:
      JUL 09, 2019
      NHTSA ID:
      #10163656

      This Preliminary information communicates the potential for a wire chafe to cause intermittent communications concerns and multiple MIL's on in the IPC. Read More »

    • TSB #100845001G

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163268

      This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. Read More »

    • TSB #PIP4670G

      Date Announced:
      JUN 13, 2019
      NHTSA ID:
      #10162124

      This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »

    • TSB #060847001O

      Date Announced:
      JUN 11, 2019
      NHTSA ID:
      #10163263

      This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »

    • TSB #PIT5074L

      Date Announced:
      JUN 03, 2019
      NHTSA ID:
      #10162106

      This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »

    • TSB #18NA266

      Date Announced:
      MAY 23, 2019
      NHTSA ID:
      #10161878

      This technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC). Read More »

    • TSB #PIT5492B

      Date Announced:
      MAY 20, 2019
      NHTSA ID:
      #10161034

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have the battery is discharged overnight. Technician will need to inspect X301 for bent pins as shown below. Read More »

    • TSB #PIT5474C

      Date Announced:
      MAY 17, 2019
      NHTSA ID:
      #10161031

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Power Steering message, loss of power and or Malfunction Indicator Lamp on in the Instrument Panel Cluster. Read More »

    • TSB #PIT5668A

      Date Announced:
      APR 29, 2019
      NHTSA ID:
      #10160695

      This preliminary information is to clarify a normal fluctuation of the temperature gauge.  Read More »

    • TSB #PIP4670F

      Date Announced:
      APR 02, 2019
      NHTSA ID:
      #10160633

      This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »

    • TSB #100845001F

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158863

      This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish". Read More »

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #18NA266

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10158822

      This technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC). Read More »

    • TSB #PIP5428E

      Date Announced:
      DEC 14, 2018
      NHTSA ID:
      #10154597

      This Preliminary Information communication advises the technician that the restriciton on ECM part numbers 55501366, 55502052 and 55485591 has ended. Read More »

    • TSB #18NA307

      Date Announced:
      DEC 12, 2018
      NHTSA ID:
      #10154987

      This technical bulletin provides a procedure to locate and repair a possible short in the wiring harness located at the camshaft cover or the cylinder head. Read More »

    • TSB #18NA153

      Date Announced:
      DEC 11, 2018
      NHTSA ID:
      #10154981

      This technical bulletin provides a procedure to replace the GEN I charging system with a GEN II charging system only if vehicles apply within the settings. Read More »

    • TSB #060847001N

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155011

      This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »

    • TSB #PIT5644

      Date Announced:
      NOV 29, 2018
      NHTSA ID:
      #10151882

      This preliminary information describes a concern where the temperature gauge may fluctuate or possibly read higher than expected. Engineering is working towards a fix  Read More »

    • TSB #PIT5640

      Date Announced:
      NOV 14, 2018
      NHTSA ID:
      #10151838

      This Preliminary Information states there is an issue with a calibration released that will currently require an archived file to restore function until the file issue is resolved.  Read More »

    • TSB #PIP5491A

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147362

      This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on ... Read More »

    • TSB #PIC6333B

      Date Announced:
      SEP 11, 2018
      NHTSA ID:
      #10145472

      This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. Read More »

    • TSB #PIP5095F

      Date Announced:
      AUG 09, 2018
      NHTSA ID:
      #10144454

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. Read More »

    • TSB #PIT5626

      Date Announced:
      JUL 31, 2018
      NHTSA ID:
      #10143787

      This Preliminary information communicates the potential for a wire chafe to cause intermittent communications concerns and multiple MIL's on in the IPC. Read More »

    • TSB #PIP5373B

      Date Announced:
      JUN 11, 2018
      NHTSA ID:
      #10143429

      This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. Read More »

    • TSB #PIT5399A

      Date Announced:
      MAY 23, 2018
      NHTSA ID:
      #10141371

      This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Read More »

    • TSB #PIT5509D

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141367

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System” message on the Driver Information ... Read More »

    • TSB #PIC6333

      Date Announced:
      MAY 15, 2018
      NHTSA ID:
      #10141355

      This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. Read More »

    • TSB #18NA138

      Date Announced:
      APR 26, 2018
      NHTSA ID:
      #10137598

      This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern. Read More »

    • TSB #1208132001E

      Date Announced:
      APR 20, 2018
      NHTSA ID:
      #10137556

      This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown. Read More »

    • TSB #PIE0444A

      Date Announced:
      MAR 02, 2018
      NHTSA ID:
      #10137390

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTCs P2101 Throttle Actuator Position Performance and/or P2119 Throttle ... Read More »

    • TSB #17NA215

      Date Announced:
      FEB 28, 2018
      NHTSA ID:
      #10137375

      This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition. Read More »

    • TSB #PIC6315B

      Date Announced:
      FEB 12, 2018
      NHTSA ID:
      #10129885

      This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »

    • TSB #PIP4670E

      Date Announced:
      FEB 05, 2018
      NHTSA ID:
      #10129857

      This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »

    • TSB #PIT5233D

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129080

      This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    • TSB #18NA002

      Date Announced:
      JAN 02, 2018
      NHTSA ID:
      #10137275

      The technical bulletin provides a procedure to inspect and confirm the Serial Data Gateway module electrical connection has no signs of damaged and/or possible plugged in. Read More »

    • TSB #17NA074

      Date Announced:
      DEC 22, 2017
      NHTSA ID:
      #10139225

      This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay. Read More »

    • TSB #PIC5650D

      Date Announced:
      DEC 19, 2017
      NHTSA ID:
      #10126982

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #PIC5491K

      Date Announced:
      DEC 18, 2017
      NHTSA ID:
      #10126972

      This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. Read More »

    • TSB #17337 Phase 2

      Date Announced:
      DEC 12, 2017
      NHTSA ID:
      #10130540

      17337 01 Phase 2 - Product Emission. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. Read More »

    • TSB #150603001C

      Date Announced:
      DEC 07, 2017
      NHTSA ID:
      #10139185

      This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries. Read More »

    • TSB #150603002I

      Date Announced:
      DEC 01, 2017
      NHTSA ID:
      #10139186

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #17NA142

      Date Announced:
      NOV 27, 2017
      NHTSA ID:
      #10139085

      This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility. Read More »

    • TSB #PIC6315A

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10125127

      This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »

    • TSB #070604019F

      Date Announced:
      NOV 17, 2017
      NHTSA ID:
      #10139090

      This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC ... Read More »

    • TSB #PIC6315

      Date Announced:
      NOV 14, 2017
      NHTSA ID:
      #10125115

      This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »

    • TSB #17337 (Bulletin

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10135133

      17337 - Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. Read More »

    • TSB #PIP5493D

      Date Announced:
      OCT 30, 2017
      NHTSA ID:
      #10123289

      This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Read More »

    • TSB #PIC5650C

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123252

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #PIP5428B

      Date Announced:
      OCT 11, 2017
      NHTSA ID:
      #10123236

      This Preliminary Information communication advises the technician that the 2016, 2017 and 2018 Chevrolet Colorado and GMC Canyons equipped with the 2. Read More »

    • TSB #PIP5428A

      Date Announced:
      OCT 06, 2017
      NHTSA ID:
      #10123229

      This Preliminary Information communication advises the technician that the 2016, 2017 and 2018 Chevrolet Colorado and GMC Canyons equipped with the 2. Read More »

    • TSB #PIT5353B

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10123222

      This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. Read More »

    • TSB #PIT5074K

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157020

      This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »

    • TSB #17NA290

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10159606

      This technical bulletin provides a procedure to reprogram the cluster to correct a condition of Intermittent Blank/Missing Driver Information Center Info Pages Upon Start Up due to a software abnormality. Read More »

    • TSB #03-08-46-004T

      Date Announced:
      AUG 22, 2017
      NHTSA ID:
      #10140295

      This informational bulletin provides information on OnStar® VCIM is currently restricted parts. By working closely with our dealers and technicians, through the part restriction process, the General Motors team will gain a better ... Read More »

    • TSB #PIC6296

      Date Announced:
      AUG 02, 2017
      NHTSA ID:
      #10137697

      This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Read More »

    • TSB #17-NA-067

      Date Announced:
      MAR 10, 2017
      NHTSA ID:
      #10138054

      This informational bulletin provides information on On rare occasions, a security code input message with SPS error code E5659, M5304, and/or M5530 may be displayed in TIS2web when the technician is programming any module. Read More »

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #PIT5705

      Date Announced:
      AUG 30, 2019
      NHTSA ID:
      #10164790

      This Preliminary information communicates a noise from the front end over bumps originating at the battery hold down retainer at inner fender. Read More »

    • TSB #PIT5492B

      Date Announced:
      MAY 20, 2019
      NHTSA ID:
      #10161034

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have the battery is discharged overnight. Technician will need to inspect X301 for bent pins as shown below. Read More »

    • TSB #030603004Y

      Date Announced:
      APR 01, 2019
      NHTSA ID:
      #10160132

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #030603004W

      Date Announced:
      FEB 01, 2018
      NHTSA ID:
      #10137341

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #150603002K

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10139283

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #150603001D

      Date Announced:
      JAN 29, 2018
      NHTSA ID:
      #10139282

      This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries. Read More »

    • TSB #150603002J

      Date Announced:
      DEC 05, 2017
      NHTSA ID:
      #10139187

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #PIT5492A

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123245

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have the battery is discharged overnight. Technician will need to inspect X301 for bent pins as shown below. Read More »

    • TSB #150603002H

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10134595

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #150603002H

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190339

      Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Read More »

    • TSB #030603004V

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10159570

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #150603002G

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159578

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #100089005H

      Date Announced:
      JAN 18, 2019
      NHTSA ID:
      #10154629

      This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. Read More »

    • TSB #PIP5571

      Date Announced:
      JUN 07, 2018
      NHTSA ID:
      #10143426

      This Preliminary information communicates a possible concern of two connectors being swapped during a repair causing a P0016 code to set. Read More »

    • TSB #17-NA-292

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10190242

      Malfunction Indicator Lamp (MIL) Illuminated - DTC P3409 and/or P3433 Condition Some customers may comment that the MIL is illuminated. Read More »

    • TSB #17NA292

      Date Announced:
      OCT 27, 2017
      NHTSA ID:
      #10134583

      This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set. Read More »

    • TSB #17-NA-219

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190267

      Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC P249D, P249E, U029D, U029E Set Some customers may comment that the MIL is illuminated. Read More »

    • TSB #100089005G

      Date Announced:
      SEP 14, 2017
      NHTSA ID:
      #10159575

      This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. Read More »

    • TSB #17NA292

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10159608

      This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set. Read More »

    • TSB #PIP5416B

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10156993

      This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. Read More »

    ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201177

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #PIT5324B

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10162160

      This Preliminary Information communication provides information to the technician about installing an aftermarket Trailer Brake Controller. Read More »

    ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS

    • TSB #17-NA-292

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10190242

      Malfunction Indicator Lamp (MIL) Illuminated - DTC P3409 and/or P3433 Condition Some customers may comment that the MIL is illuminated. Read More »

    ELECTRICAL SYSTEM:IGNITION

    • TSB #PIT5233D

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129080

      This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »

    • TSB #140089004D

      Date Announced:
      OCT 23, 2017
      NHTSA ID:
      #10134592

      The information in this bulletin details the proper configurations for the ignition key, fob, key tags, key rings, key ring sizes and applying a QR code sticker or barcode sticker to a key fob. Read More »

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE

    • TSB #140089004D

      Date Announced:
      OCT 23, 2017
      NHTSA ID:
      #10134592

      The information in this bulletin details the proper configurations for the ignition key, fob, key tags, key rings, key ring sizes and applying a QR code sticker or barcode sticker to a key fob. Read More »

    ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS

    • TSB #21NA147

      Date Announced:
      JUN 22, 2021
      NHTSA ID:
      #10200146

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #060089029T

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176647

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #060089029S

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176646

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #PIT5668B

      Date Announced:
      SEP 20, 2019
      NHTSA ID:
      #10165897

      This preliminary information is to clarify a normal fluctuation of the temperature gauge.  Read More »

    • TSB #PIT5668A

      Date Announced:
      APR 29, 2019
      NHTSA ID:
      #10160695

      This preliminary information is to clarify a normal fluctuation of the temperature gauge.  Read More »

    • TSB #PIC6333A

      Date Announced:
      JUN 01, 2018
      NHTSA ID:
      #10143422

      This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. Read More »

    • TSB #18NA005

      Date Announced:
      MAR 27, 2018
      NHTSA ID:
      #10137435

      This informational bulletin provides information for new software available to correct the instrument panel cluster (IPC) low washer indicator for not sending a warning when empty. Read More »

    • TSB #18078

      Date Announced:
      MAR 23, 2018
      NHTSA ID:
      #10139296

      18078 - Service Update. Certain vehicles equipped with a tow/haul mode activation ?On? calibration (RPO 5G8) that recently had service repairs for either; #18-NA-005: Diagnostic Tip for Instrument Panel Cluster (IPC) Low Washer Indicator ... Read More »

    • TSB #PIC3100F

      Date Announced:
      NOV 07, 2017
      NHTSA ID:
      #10125106

      This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Read More »

    • TSB #17NA292

      Date Announced:
      OCT 27, 2017
      NHTSA ID:
      #10134583

      This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set. Read More »

    • TSB #17-NA-337

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190318

      All or Some Options May Be Missing from Driver Information Center (DIC) ¿Info Pages¿ Menu Due to Them Not Being Selected Condition Some customers may comment that with the ¿Info¿ option selected from the main menu (1), the ¿Info ... Read More »

    ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #16NA019

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186058

      This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #19NA124

      Date Announced:
      JUN 10, 2019
      NHTSA ID:
      #10163244

      This informational bulletin provides information for reprogramming to update the ECM with the latest calibration. Read More »

    • TSB #070849020P

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158861

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIE0496A

      Date Announced:
      MAR 08, 2019
      NHTSA ID:
      #10158872

      This engineering informational bulletin is requesting information for the drivers door window regulator being inoperative due to possible software. Read More »

    • TSB #PIT5444D

      Date Announced:
      FEB 08, 2019
      NHTSA ID:
      #10154290

      This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Read More »

    • TSB #PIC6333A

      Date Announced:
      JUN 01, 2018
      NHTSA ID:
      #10143422

      This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. Read More »

    • TSB #18NA005

      Date Announced:
      MAR 27, 2018
      NHTSA ID:
      #10137435

      This informational bulletin provides information for new software available to correct the instrument panel cluster (IPC) low washer indicator for not sending a warning when empty. Read More »

    • TSB #090604026N

      Date Announced:
      FEB 15, 2018
      NHTSA ID:
      #10137344

      This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada Read More »

    • TSB #17NA377

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139172

      This informational bulletin provides information for reprogramming the radio with the latest software due to a buzz and/or static noise heard during a Bluetooth call. Read More »

    • TSB #17NA290

      Date Announced:
      NOV 17, 2017
      NHTSA ID:
      #10139107

      This technical bulletin provides a procedure to reprogram the cluster to correct a condition of Intermittent Blank/Missing Driver Information Center Info Pages Upon Start Up due to a software abnormality. Read More »

    • TSB #PIP5508A

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123256

      This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the T87A Transmission Control Module. Read More »

    • TSB #PIC5492F

      Date Announced:
      OCT 05, 2017
      NHTSA ID:
      #10123227

      This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface ... Read More »

    • TSB #PIT5236K

      Date Announced:
      SEP 28, 2017
      NHTSA ID:
      #10157041

      This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Read More »

    • TSB #17-NA-244

      Date Announced:
      JUL 25, 2017
      NHTSA ID:
      #10126113

      This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application and where to locate the information for future use. Read More »

    • TSB #17-NA-242

      Date Announced:
      JUL 24, 2017
      NHTSA ID:
      #10126111

      This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to reprogram modules that have been already reprogrammed. Read More »

    ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS

    • TSB #PIT5698B

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201251

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    EXTERIOR LIGHTING

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

      This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »

    • TSB #PIP5247A

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193443

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P06DE set in the Engine Control Module. Read More »

    • TSB #PIT5516D

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10174821

      This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation. Read More »

    • TSB #010842001L

      Date Announced:
      DEC 13, 2018
      NHTSA ID:
      #10155009

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    • TSB #PIT5516A

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123260

      This Preliminary Information communicates the steps on diagnosing the concern of theaccessory off road lamps are inoperative after installation. Read More »

    LIGHTING (PWS)

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    EXTERIOR LIGHTING:HEADLIGHTS

    • TSB #PIT5516C

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10174820

      This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation. Read More »

    • TSB #PIT5516B

      Date Announced:
      FEB 22, 2019
      NHTSA ID:
      #10154315

      This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation. Read More »

    EXTERIOR LIGHTING:FOG LIGHTS

    • TSB #PIT5628

      Date Announced:
      AUG 30, 2018
      NHTSA ID:
      #10144481

      This preliminary information advises if the fog lamp indicator is inoperative after the fog lamp kit is installed the instrument cluster needs to be reprogrammed. Read More »

    EXTERIOR LIGHTING:TAIL LIGHTS

    • TSB #PIE0498

      Date Announced:
      DEC 10, 2018
      NHTSA ID:
      #10155019

      This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture. Read More »

    VISIBILITY

    • TSB #PIT4261G

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10199285

      This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »

    • TSB #PIC6086G

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10185728

      This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Read More »

    • TSB #PIC6086F

      Date Announced:
      AUG 07, 2019
      NHTSA ID:
      #10164749

      This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Read More »

    • TSB #18NA360

      Date Announced:
      DEC 03, 2018
      NHTSA ID:
      #10154991

      This technical bulletin provides a procedure to replace the side mirror cameras if found the cause of the reduced key fob range. Read More »

    VISIBILITY:WINDSHIELD

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    VISIBILITY:GLASS, SIDE/REAR

    • TSB #21NA152

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10200149

      This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »

    • TSB #PI0754D

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184504

      This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »

    • TSB #PI0754C

      Date Announced:
      APR 13, 2018
      NHTSA ID:
      #10137562

      This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal characteristic. Read More »

    VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS

    • TSB #PI0754D

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184504

      This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #PIE0496A

      Date Announced:
      MAR 08, 2019
      NHTSA ID:
      #10158872

      This engineering informational bulletin is requesting information for the drivers door window regulator being inoperative due to possible software. Read More »

    • TSB #17NA400

      Date Announced:
      DEC 18, 2017
      NHTSA ID:
      #10139239

      This technical bulletin provides a procedure to reprogram the BCM to correct a condition of the window not rolling up all the way due to a calibration concern. Read More »

    VISIBILITY:SUN/MOON ROOF ASSEMBLY

    • TSB #PIC5260D

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190431

      This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »

    • TSB #PIC5260C

      Date Announced:
      APR 23, 2019
      NHTSA ID:
      #10160682

      This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »

    • TSB #PIC5260B

      Date Announced:
      JUL 03, 2018
      NHTSA ID:
      #10143752

      This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

    • TSB #100864002D

      Date Announced:
      JAN 17, 2018
      NHTSA ID:
      #10139280

      This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty. Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • TSB #PIT5099E

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10178385

      This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

    • TSB #PIT5420F

      Date Announced:
      NOV 13, 2018
      NHTSA ID:
      #10151831

      This Preliminary Information communicates information to the technician about vehicles that may have a water rush or gurgle type noise from the center dash area. Engineering is aware of the concern and it is under investigation. Read More »

    AIR BAGS

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201253

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #PIC5650J

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201252

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #20NA052

      Date Announced:
      MAR 05, 2020
      NHTSA ID:
      #10174075

      This technical bulletin provides repair information to correct a customer concern of ticking type noise heard from the driver and/or passenger side center pillar upper trim panel structure, on bumpy roads. Read More »

    • TSB #18NA351

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10154989

      This technical bulletin provides a procedure to program the SDM and replace the airbags and pretensioners if deployed. Read More »

    SEAT BELTS

    • TSB #PIT5233D

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129080

      This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »

    STRUCTURE

    • TSB #PIP5358A

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10197294

      This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »

    • TSB #PIP5784

      Date Announced:
      MAR 01, 2021
      NHTSA ID:
      #10190355

      This Preliminary information communicates to the dealer technician to inspect for a missing 1-2-7-8-R clutch fluid passage seal  or incorrect 1-2-7-8-R clutch fluid passage seal being install for a no movement concern after valve body ... Read More »

    • TSB #21NA026

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188401

      This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #150089002B

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10179408

      This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »

    • TSB #PIT5340D

      Date Announced:
      DEC 11, 2019
      NHTSA ID:
      #10170431

      This Preliminary Information communication provides information to the technician about vehicles that have a hood that may shake or flutter while driving. Technician will need to adjust the hood bumpers for this concern. Read More »

    • TSB #120851002J

      Date Announced:
      MAY 31, 2019
      NHTSA ID:
      #10161969

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #19NA094

      Date Announced:
      MAY 29, 2019
      NHTSA ID:
      #10161942

      This technical bulletin provides a procedure for installing screws to the center pillar upper trim panel structure on the affected sides to eliminate the ticking type noise. Read More »

    • TSB #19NA107

      Date Announced:
      MAY 20, 2019
      NHTSA ID:
      #10161954

      This technical bulletin provides repair information to correct a customer concern of the extended cab rear door ajar indicator illuminated intermittently. Read More »

    • TSB #PIT5396C

      Date Announced:
      MAY 15, 2019
      NHTSA ID:
      #10161020

      This Preliminary Information communication provides information to the technician that some vehicle may have a water leak into the cabin. Water staining may be seen in the headliner or water may be on the floor. Read More »

    • TSB #PIT5632A

      Date Announced:
      APR 29, 2019
      NHTSA ID:
      #10160696

      This preliminary information explains that engineering is investigating a noise from the B-Pillar of the truck and repair instructions will be released soon. Read More »

    • TSB #18NA200

      Date Announced:
      MAR 06, 2019
      NHTSA ID:
      #10158818

      This informational bulletin provides information from engineering that identified 3 possible areas to inspect for a rattle type noise that is being heard from the instrument area. Read More »

    • TSB #PIE0498

      Date Announced:
      DEC 10, 2018
      NHTSA ID:
      #10155019

      This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture. Read More »

    • TSB #PIP5491A

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147362

      This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on ... Read More »

    • TSB #PIT5632

      Date Announced:
      SEP 19, 2018
      NHTSA ID:
      #10145499

      This preliminary information explains that engineering is investigating a noise from the B-Pillar of the truck and repair instructions will be released soon. Read More »

    • TSB #18NA127

      Date Announced:
      APR 20, 2018
      NHTSA ID:
      #10137591

      This informational bulletin provides information to check and verify that no leaks are found and clean the flux build up using a good brush. Read More »

    • TSB #PIT5600

      Date Announced:
      NOV 27, 2017
      NHTSA ID:
      #10125135

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    • TSB #99-08-51-001D

      Date Announced:
      AUG 23, 2017
      NHTSA ID:
      #10140406

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

    • TSB #PI0281G

      Date Announced:
      APR 06, 2018
      NHTSA ID:
      #10137560

      This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    STRUCTURE:BODY

    • TSB #20NA052

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183182

      This technical bulletin provides repair information to correct a customer concern of ticking type noise heard from the driver and/or passenger side center pillar upper trim panel structure, on bumpy roads. Read More »

    • TSB #18NA306

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181675

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #PI0281H

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10175855

      This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    STRUCTURE:BODY:BUMPERS

    • TSB #19NA144

      Date Announced:
      JUN 27, 2019
      NHTSA ID:
      #10163259

      This bulletin provides information regarding the SDM Reprogramming needed after an AEV Bison Style Front Bumper Package Installation onto a Colorado ZR2. Read More »

    STRUCTURE:BODY:DOOR

    • TSB #19NA107

      Date Announced:
      JUN 11, 2020
      NHTSA ID:
      #10178258

      This technical bulletin provides repair information to correct a customer concern of the extended cab rear door ajar indicator illuminated intermittently. Read More »

    • TSB #PIE0496A

      Date Announced:
      MAR 08, 2019
      NHTSA ID:
      #10158872

      This engineering informational bulletin is requesting information for the drivers door window regulator being inoperative due to possible software. Read More »

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    STRUCTURE:BODY:TAILGATE

    • TSB #PIT3227P

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154601

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    STRUCTURE:BODY:HOOD

    • TSB #PIT5340C

      Date Announced:
      NOV 27, 2018
      NHTSA ID:
      #10151878

      This Preliminary Information communication provides information to the technician about vehicles that have a hood that may shake or flutter while driving. Technician will need to adjust the hood bumpers for this concern. Read More »

    STRUCTURE:BODY:ROOF AND PILLARS

    • TSB #PIT5632

      Date Announced:
      SEP 19, 2018
      NHTSA ID:
      #10145499

      This preliminary information explains that engineering is investigating a noise from the B-Pillar of the truck and repair instructions will be released soon. Read More »

    • TSB #PIE0435A

      Date Announced:
      MAR 13, 2018
      NHTSA ID:
      #10137417

      This engineering information is requesting information from the field on vehicles that have the condition of Roof Panel Joint Finish Molding Loose, Missing, or Lifting. Read More »

    • TSB #PIE0435

      Date Announced:
      OCT 27, 2017
      NHTSA ID:
      #10134636

      This engineering information is requesting information from the field on vehicles that have the condition of Roof Panel Joint Finish Molding Loose, Missing, or Lifting. Read More »

    • TSB #PIE-0435

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190377

      Engineering Information ¿ Roof Panel Joint Finish Molding Loose, Missing or Lifting Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. Read More »

    LATCHES/LOCKS/LINKAGES

    • TSB #PIT5605C

      Date Announced:
      SEP 28, 2020
      NHTSA ID:
      #10181169

      This preliminary information shows how to inspect for and correct a rattle from the rear seat latches.  Read More »

    LATCHES/LOCKS/LINKAGES:DOORS:LATCH

    • TSB #19NA107

      Date Announced:
      JUN 11, 2020
      NHTSA ID:
      #10178258

      This technical bulletin provides repair information to correct a customer concern of the extended cab rear door ajar indicator illuminated intermittently. Read More »

    VEHICLE SPEED CONTROL

    • TSB #PIT5569A

      Date Announced:
      JUL 16, 2019
      NHTSA ID:
      #10163665

      This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.  Read More »

    TIRES

    • TSB #20NA159

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10198858

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #20NA159

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10186080

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #20NA159

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10187394

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #20NA159

      Date Announced:
      AUG 14, 2020
      NHTSA ID:
      #10180317

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #000310003Z

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10175850

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #050310020G

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10174300

      This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires. Read More »

    • TSB #000310003Y

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10173414

      This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #000310006N

      Date Announced:
      MAY 09, 2019
      NHTSA ID:
      #10161906

      This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV). Read More »

    • TSB #010310003R

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10155068

      This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty ... Read More »

    • TSB #000310003X

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155008

      This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    • TSB #010310003Q

      Date Announced:
      MAR 26, 2018
      NHTSA ID:
      #10137381

      This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty ... Read More »

    • TSB #010310003P

      Date Announced:
      JAN 04, 2018
      NHTSA ID:
      #10139276

      This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). Read More »

    • TSB #000310003W

      Date Announced:
      DEC 14, 2017
      NHTSA ID:
      #10139167

      This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    TIRES:SIDEWALL

    • TSB #PIT4261G

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10201285

      This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »

    WHEELS

    • TSB #PIP5640A

      Date Announced:
      APR 12, 2021
      NHTSA ID:
      #10193450

      This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with ... Read More »

    • TSB #PIT5600C

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187173

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    • TSB #PIT5600C

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10185722

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #050307009J

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173417

      This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »

    • TSB #050307009I

      Date Announced:
      JAN 27, 2020
      NHTSA ID:
      #10172293

      This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #PIT3271J

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10168960

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #PIT5600B

      Date Announced:
      SEP 18, 2019
      NHTSA ID:
      #10165892

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    • TSB #18NA108

      Date Announced:
      SEP 13, 2019
      NHTSA ID:
      #10166646

      This technical bulletin provides a procedure to correct a left lean condition due to architectural corner mass distribution. Read More »

    • TSB #PIT5569A

      Date Announced:
      JUL 16, 2019
      NHTSA ID:
      #10163665

      This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.  Read More »

    • TSB #17NA170

      Date Announced:
      JAN 23, 2019
      NHTSA ID:
      #10155051

      This informational bulletin explains the wheel Road Force balancers and what they can do for customer concerns. Read More »

    • TSB #PIT5600A

      Date Announced:
      JUL 31, 2018
      NHTSA ID:
      #10143788

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    • TSB #18NA067

      Date Announced:
      MAR 01, 2018
      NHTSA ID:
      #10137297

      This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels. Read More »

    • TSB #PIT3271H

      Date Announced:
      JAN 23, 2018
      NHTSA ID:
      #10129089

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #PIT5233D

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129080

      This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »

    • TSB #17NA180

      Date Announced:
      JAN 09, 2018
      NHTSA ID:
      #10137267

      This informational bulletin provides information on how to obtain the left and right front wheel speed sensors from the WPC. Read More »

    • TSB #17-NA-230

      Date Announced:
      JUL 17, 2017
      NHTSA ID:
      #10126100

      This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will replace it via the website provided. Read More »

    • TSB #00-03-10-002K

      Date Announced:
      MAY 22, 2017
      NHTSA ID:
      #10137600

      This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    TRAILER HITCHES

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201253

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #PIT5324C

      Date Announced:
      SEP 26, 2019
      NHTSA ID:
      #10165906

      This Preliminary Information communication provides information to the technician about installing an aftermarket Trailer Brake Controller. Read More »

    SEATS

    • TSB #PIT5605B

      Date Announced:
      OCT 17, 2019
      NHTSA ID:
      #10167446

      This preliminary information shows how to inspect for and correct a rattle from the rear seat latches.  Read More »

    • TSB #060850009J

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155012

      This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices. Read More »

    • TSB #PIT5605A

      Date Announced:
      OCT 18, 2018
      NHTSA ID:
      #10147388

      This preliminary information shows how to inspect for and correct a rattle from the rear seat latches. Read More »

    • TSB #PIT5524C

      Date Announced:
      DEC 18, 2017
      NHTSA ID:
      #10126978

      This Preliminary Information communication provides information to the technician about vehicles that have a loose front seat cover. Technician will need to remove 3 portions of the seat frame and reinstall the seat cover. Read More »

    SEATS:MID/REAR ASSEMBLY

    • TSB #PIT5605C

      Date Announced:
      SEP 28, 2020
      NHTSA ID:
      #10181169

      This preliminary information shows how to inspect for and correct a rattle from the rear seat latches.  Read More »

    ELECTRONIC STABILITY CONTROL

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    LANE DEPARTURE: SENSING SYSTEM: CAMERA

    • TSB #18NA360

      Date Announced:
      DEC 03, 2018
      NHTSA ID:
      #10154991

      This technical bulletin provides a procedure to replace the side mirror cameras if found the cause of the reduced key fob range. Read More »

    BACK OVER PREVENTION

    • TSB #21NA030

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10194094

      This service bulletin provides a procedure to correct a customer concern of Engine Noise and/or Belt Squeak, MIL Illuminated. Read More »

    • TSB #PIT5705A

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10190402

      This Preliminary information communicates a noise from the front end over bumps originating at the battery hold down retainer at inner fender. Read More »

    • TSB #PIC6086G

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10185728

      This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Read More »

    • TSB #PIT5363F

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176336

      This Preliminary Information communication provides information to the technician about vehicles that may have a click or tick noise heard inside cab with engine running. Read More »

    • TSB #PIE0558

      Date Announced:
      MAR 24, 2020
      NHTSA ID:
      #10174444

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards a loud bang and/or grinding type noise heard coming from the rear axle area. Read More »

    • TSB #20NA052

      Date Announced:
      MAR 05, 2020
      NHTSA ID:
      #10174075

      This technical bulletin provides repair information to correct a customer concern of ticking type noise heard from the driver and/or passenger side center pillar upper trim panel structure, on bumpy roads. Read More »

    • TSB #17NA269

      Date Announced:
      APR 18, 2018
      NHTSA ID:
      #10137570

      This Technical bulletin provides information on new software to correct the rear camera display being too bright. Read More »

    • TSB #PIP5545

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10129063

      This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair. Read More »

    BACK OVER PREVENTION: CAMERA SYSTEM

    • TSB #PIT5592

      Date Announced:
      OCT 31, 2017
      NHTSA ID:
      #10123291

      This Preliminary Information communication provides information to the technician about vehicles that when in reverse the rear camera display is too bright at night. Read More »

    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

    • TSB #17NA375

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10139141

      This informational bulletin provides a diagnostic tip for rear vision camera image that is grainy, distorted and/or pixelated Read More »

    • TSB #17NA331

      Date Announced:
      OCT 17, 2017
      NHTSA ID:
      #10134612

      This informational bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option. Read More »

    • TSB #17-NA-331

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190329

      Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Read More »

    INTERIOR LIGHTING

    • TSB #PIP5730B

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190391

      This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. Read More »

    EQUIPMENT

    • TSB #PIT3099U

      Date Announced:
      AUG 11, 2021
      NHTSA ID:
      #10201310

      This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.  Technicians should refer to Service Information for information regarding most accessories. Read More »

    • TSB #21NA152

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10200149

      This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »

    • TSB #21NA147

      Date Announced:
      JUN 22, 2021
      NHTSA ID:
      #10200146

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

      This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »

    • TSB #990420002L

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10200154

      This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »

    • TSB #080730035E

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200152

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #110089002E

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200153

      This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #070089037Q

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10200089

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #120851002M

      Date Announced:
      MAY 26, 2021
      NHTSA ID:
      #10200092

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #18NA306

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10199235

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #18NA306

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10198844

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #100089006H

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10200090

      This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #070089037P

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10200088

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #PIP5358A

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10197294

      This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »

    • TSB #120851002L

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10200091

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #20NA159

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10199249

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #21NA103

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10194114

      This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition. Read More »

    • TSB #PIP5803A

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10193459

      This Preliminary information communicates to technician's if they remove the front timing cover when performing a repair, they should inspect the timing chain guide upper bolt for being loose. Read More »

    • TSB #18NA073

      Date Announced:
      APR 13, 2021
      NHTSA ID:
      #10194081

      This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #18NA146

      Date Announced:
      APR 07, 2021
      NHTSA ID:
      #10194082

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #020089002T

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10195127

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #070089036J

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10195149

      This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures. Read More »

    • TSB #PIT3227Q

      Date Announced:
      APR 01, 2021
      NHTSA ID:
      #10193430

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #18NA099

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10191191

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #18NA306

      Date Announced:
      MAR 29, 2021
      NHTSA ID:
      #10191192

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #PIP5725A

      Date Announced:
      MAR 19, 2021
      NHTSA ID:
      #10190413

      This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. Read More »

    • TSB #110089005Q

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10191233

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #21NA043

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10191217

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #PIP5730A

      Date Announced:
      DEC 29, 2020
      NHTSA ID:
      #10185754

      This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. Read More »

    • TSB #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186065

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187379

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #N202313200

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10186050

      Emission - General Motors has decided to conduct a Voluntary Emission Recall involving certain 2017-2020 Chevrolet Colorado and GMC Canyon vehicles. Read More »

    • TSB #N202313200

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10187617

      Emission - General Motors has decided to conduct a Voluntary Emission Recall involving certain 2017-2020 Chevrolet Colorado and GMC Canyon vehicles. Read More »

    • TSB #19NA136

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186069

      This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186105

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #PIC6208E

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184115

      This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and ... Read More »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #100605002I

      Date Announced:
      NOV 02, 2020
      NHTSA ID:
      #10184502

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #20NA213

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183211

      This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »

    • TSB #16NA244

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183127

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #16NA380

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183132

      This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #19NA237

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183176

      This informational bulletin explains how to identify possible DEF contamination. Read More »

    • TSB #17NA222

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183139

      This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent. Read More »

    • TSB #1308116001F

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183782

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #PIP5684C

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10182564

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #17NA114

      Date Announced:
      OCT 21, 2020
      NHTSA ID:
      #10183135

      This technical bulletin provides a procedure to Tighten the Charge Air Cooler Duct Clamp to correct a condition of an oil leak originating from either the inlet or outlet duct of the turbocharger due to the charge air cooler pipe clamp ... Read More »

    • TSB #19NA007

      Date Announced:
      OCT 20, 2020
      NHTSA ID:
      #10183165

      This technical bulletin provides a procedure to replace the surge tank if found the cause of the customers concern. Read More »

    • TSB #17NA352

      Date Announced:
      OCT 19, 2020
      NHTSA ID:
      #10183149

      This informational bulletin explains how the SOOT readings went from grams to percentage. 2-1-18 Change Subject to reflect the test procedure. 5-1-18 Updated the Information section. Read More »

    • TSB #16NA325

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183128

      This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed. Read More »

    • TSB #060089026Q

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10183780

      This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #18NA306

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181675

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #PI1171D

      Date Announced:
      SEP 24, 2020
      NHTSA ID:
      #10181725

      This preliminary informational (PI) provides diagnosis and repair information regarding bearing damage or when an engine will not rotate. Read More »

    • TSB #20NA157

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181695

      This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »

    • TSB #PIE0558A

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10181728

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards a loud bang and/or grinding type noise heard coming from the rear axle area. Read More »

    • TSB #990089019U

      Date Announced:
      AUG 14, 2020
      NHTSA ID:
      #10180697

      This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #PIP5226D

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10178387

      This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »

    • TSB #PIT5698A

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178380

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    • TSB #PIP5684B

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10178370

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #PIP5545C

      Date Announced:
      JUL 07, 2020
      NHTSA ID:
      #10178363

      This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair. Read More »

    • TSB #PIP4902N

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10178352

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #990089019T

      Date Announced:
      JUN 15, 2020
      NHTSA ID:
      #10178293

      This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #110089005O

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178291

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #060089029T

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176647

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #030089006R

      Date Announced:
      MAY 07, 2020
      NHTSA ID:
      #10176644

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #060089029S

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176646

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #19NA153

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176611

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #060089029R

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175853

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #060089029Q

      Date Announced:
      APR 03, 2020
      NHTSA ID:
      #10175852

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #PIT5516C

      Date Announced:
      MAR 17, 2020
      NHTSA ID:
      #10173707

      This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation. Read More »

    • TSB #020089002S

      Date Announced:
      MAR 06, 2020
      NHTSA ID:
      #10174299

      This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    • TSB #040601029J

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173416

      This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »

    • TSB #20NA034

      Date Announced:
      FEB 19, 2020
      NHTSA ID:
      #10172810

      This technical bulletin provides a procedure to replace either the axle or the bearing depending if there is a lip on the axle after pulling it. Read More »

    • TSB #050307009J

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173417

      This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »

    • TSB #18NA073

      Date Announced:
      FEB 07, 2020
      NHTSA ID:
      #10172784

      This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #19NA066

      Date Announced:
      FEB 05, 2020
      NHTSA ID:
      #10173391

      This technical bulletin provides a procedure to replace the oil filter insert if found missing or damaged and the cause of the customers concern. Read More »

    • TSB #PIT3099T

      Date Announced:
      FEB 04, 2020
      NHTSA ID:
      #10172305

      This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.  Technicians should refer to Service Information for information regarding most accessories. Read More »

    • TSB #110089002D

      Date Announced:
      JAN 29, 2020
      NHTSA ID:
      #10172294

      This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #050307009I

      Date Announced:
      JAN 27, 2020
      NHTSA ID:
      #10172293

      This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »

    • TSB #20NA016

      Date Announced:
      JAN 21, 2020
      NHTSA ID:
      #10172285

      This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the ... Read More »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #PI0592F

      Date Announced:
      DEC 12, 2019
      NHTSA ID:
      #10170498

      This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    • TSB #120851002K

      Date Announced:
      OCT 30, 2019
      NHTSA ID:
      #10168210

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #PIP5684

      Date Announced:
      OCT 22, 2019
      NHTSA ID:
      #10167455

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #PIP5676A

      Date Announced:
      SEP 23, 2019
      NHTSA ID:
      #10165900

      This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual. Read More »

    • TSB #17NA073

      Date Announced:
      SEP 18, 2019
      NHTSA ID:
      #10166638

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #PIP5676

      Date Announced:
      SEP 16, 2019
      NHTSA ID:
      #10165889

      This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual. Read More »

    • TSB #19NA177

      Date Announced:
      AUG 29, 2019
      NHTSA ID:
      #10165108

      This informational bulletin provides information for dealers/technicians on Lack of A/C performance, Evaporator freeze up. Read More »

    • TSB #18NA146

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10165087

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #130089008B

      Date Announced:
      AUG 19, 2019
      NHTSA ID:
      #10165126

      This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC. Read More »

    • TSB #PIT5323C

      Date Announced:
      AUG 14, 2019
      NHTSA ID:
      #10164768

      This Preliminary Information communication advises the technician about the narrowing of the bedrails. When installing a bed rail accessory the concern is made visible. Read More »

    • TSB #N192218430

      Date Announced:
      AUG 13, 2019
      NHTSA ID:
      #10165441

      N192218430 - Customer Satisfaction Program. During service, certain vehicles equipped with OnStar (RPO UE1), may have received an incorrect and partially programmed/configured replacement OnStar module. Read More »

    • TSB #PIT5698

      Date Announced:
      JUL 30, 2019
      NHTSA ID:
      #10163686

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    • TSB #PIC6208D

      Date Announced:
      JUL 29, 2019
      NHTSA ID:
      #10163681

      This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and ... Read More »

    • TSB #990089019R

      Date Announced:
      JUL 26, 2019
      NHTSA ID:
      #10163900

      This informational bulletin provides process information for the (GWM) and (WPC) parts return program. Read More »

    • TSB #PIT3099R

      Date Announced:
      JUL 10, 2019
      NHTSA ID:
      #10163659

      This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.  Technicians should refer to Service Information for information regarding most accessories. Read More »

    • TSB #1308116001E

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163272

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #16NA222

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163193

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #090604026Q

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163266

      This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #000601012J

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163260

      This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »

    • TSB #120851002J

      Date Announced:
      MAY 31, 2019
      NHTSA ID:
      #10161969

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #PIT5323B

      Date Announced:
      MAY 29, 2019
      NHTSA ID:
      #10161051

      This Preliminary Information communication advises the technician about the narrowing of the bedrails. When installing a bed rail accessory the concern is made visible. Read More »

    • TSB #PIP5632A

      Date Announced:
      MAY 28, 2019
      NHTSA ID:
      #10161046

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #16NA119

      Date Announced:
      MAY 08, 2019
      NHTSA ID:
      #10161929

      This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »

    • TSB #PIP5226C

      Date Announced:
      MAY 06, 2019
      NHTSA ID:
      #10160983

      This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »

    • TSB #080089014E

      Date Announced:
      MAY 02, 2019
      NHTSA ID:
      #10161907

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #PIT5632A

      Date Announced:
      APR 29, 2019
      NHTSA ID:
      #10160696

      This preliminary information explains that engineering is investigating a noise from the B-Pillar of the truck and repair instructions will be released soon. Read More »

    • TSB #PIC6360

      Date Announced:
      APR 16, 2019
      NHTSA ID:
      #10160672

      This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Read More »

    • TSB #030729004L

      Date Announced:
      APR 02, 2019
      NHTSA ID:
      #10160133

      This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions. Read More »

    • TSB #1008110001H

      Date Announced:
      APR 01, 2019
      NHTSA ID:
      #10160135

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #060089029O

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158859

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #1008110001G

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158867

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #100845001F

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158863

      This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish". Read More »

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #PIP4902L

      Date Announced:
      MAR 08, 2019
      NHTSA ID:
      #10156916

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #PIE0496A

      Date Announced:
      MAR 08, 2019
      NHTSA ID:
      #10158872

      This engineering informational bulletin is requesting information for the drivers door window regulator being inoperative due to possible software. Read More »

    • TSB #120089002C

      Date Announced:
      FEB 26, 2019
      NHTSA ID:
      #10155073

      This informational bulletin provides the dealer with information on what to do when requesting a new key code for the customer. Read More »

    • TSB #17NA073

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10154641

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #090089016F

      Date Announced:
      FEB 08, 2019
      NHTSA ID:
      #10155071

      This warranty nonadministrative bulletin provides information on the proper use of the labor operation 0600014. Read More »

    • TSB #090089002P

      Date Announced:
      FEB 05, 2019
      NHTSA ID:
      #10155070

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #18NA370

      Date Announced:
      JAN 07, 2019
      NHTSA ID:
      #10155036

      This technical bulletin provides repair information to correct a customer concern of hearing a pickup box ornamentation bar (Sports Bar) wind noise or rattle. Read More »

    • TSB #060089026O

      Date Announced:
      DEC 21, 2018
      NHTSA ID:
      #10155010

      This warranty bulletin provides labor operation numbers for customer concerns Not duplicated (CCND). Read More »

    • TSB #080089014C

      Date Announced:
      DEC 13, 2018
      NHTSA ID:
      #10155014

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #18NA099

      Date Announced:
      NOV 05, 2018
      NHTSA ID:
      #10155101

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #PIE0475A

      Date Announced:
      NOV 01, 2018
      NHTSA ID:
      #10155080

      This engineering informational bulletin is requesting information pictures of windshield, steering wheel and/or door trim panel for product issues covered under warranty. Read More »

    • TSB #PIP5601

      Date Announced:
      OCT 23, 2018
      NHTSA ID:
      #10147401

      This Preliminary information communicates Read More »

    • TSB #PIP5428E

      Date Announced:
      OCT 05, 2018
      NHTSA ID:
      #10147355

      This Preliminary Information communication advises the technician that the restriciton on ECM part numbers 55501366, 55502052 and 55485591 has ended. Read More »

    • TSB #18275

      Date Announced:
      AUG 29, 2018
      NHTSA ID:
      #10145180

      17275 - Customer Satisfaction Program. Certain vehicles, equipped with the Custom Special Edition Package (RPO PCP) may have a condition in which a double-charge was applied for OnStar® (RPO UE1) at the time of vehicle purchase. Read More »

    • TSB #PIP4902K

      Date Announced:
      AUG 28, 2018
      NHTSA ID:
      #10144476

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #PIP5428D

      Date Announced:
      JUL 12, 2018
      NHTSA ID:
      #10143763

      This Preliminary Information communication advises the technician that the ECM part numbers 55501366, 55502052 and 55485591 will be placed on a parts restriction through the General Motors Technical Assistance Center. Read More »

    • TSB #PIC6095C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143758

      This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »

    • TSB #PIT5411M

      Date Announced:
      JUN 08, 2018
      NHTSA ID:
      #10143427

      This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical ... Read More »

    • TSB #PIT5399A

      Date Announced:
      MAY 23, 2018
      NHTSA ID:
      #10141371

      This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Read More »

    • TSB #PIC6333

      Date Announced:
      MAY 15, 2018
      NHTSA ID:
      #10141355

      This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. Read More »

    • TSB #PIE0461

      Date Announced:
      APR 26, 2018
      NHTSA ID:
      #10137612

      This engineering informational bulletin is requesting information from the field on vehicles with the condition of Driver Side Output Seal Leak. Read More »

    • TSB #150603002M

      Date Announced:
      APR 25, 2018
      NHTSA ID:
      #10137559

      This bulletin provides information on approved warranty part numbers for original equipment batteries. Read More »

    • TSB #150603002L

      Date Announced:
      APR 09, 2018
      NHTSA ID:
      #10137558

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #18NA099

      Date Announced:
      APR 04, 2018
      NHTSA ID:
      #10137537

      This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #130089010B

      Date Announced:
      APR 03, 2018
      NHTSA ID:
      #10137557

      This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program. Read More »

    • TSB #150603002K

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10139283

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #050851001I

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10139277

      This information bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film. Read More »

    • TSB #PIP5540

      Date Announced:
      JAN 04, 2018
      NHTSA ID:
      #10129051

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

    • TSB #17NA074

      Date Announced:
      DEC 22, 2017
      NHTSA ID:
      #10139225

      This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay. Read More »

    • TSB #040089015R

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139208

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    • TSB #070089037L

      Date Announced:
      DEC 11, 2017
      NHTSA ID:
      #10139212

      This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs. Read More »

    • TSB #120089007A

      Date Announced:
      DEC 07, 2017
      NHTSA ID:
      #10139181

      This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels. Read More »

    • TSB #16NA239

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139220

      This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle. Read More »

    • TSB #070089036I

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139211

      This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures. Read More »

    • TSB #16NA356

      Date Announced:
      NOV 30, 2017
      NHTSA ID:
      #10139099

      This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that ... Read More »

    • TSB #16NA158

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10139095

      This bulletin describes the Dealer special tool loan program process. Read More »

    • TSB #17NA346

      Date Announced:
      NOV 17, 2017
      NHTSA ID:
      #10139118

      This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs. Read More »

    • TSB #PIE0436

      Date Announced:
      OCT 27, 2017
      NHTSA ID:
      #10134637

      This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion. Read More »

    • TSB #150089005A

      Date Announced:
      OCT 25, 2017
      NHTSA ID:
      #10134594

      This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). Read More »

    • TSB #070849020M

      Date Announced:
      OCT 24, 2017
      NHTSA ID:
      #10134621

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIC5650C

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123252

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #150089004B

      Date Announced:
      OCT 11, 2017
      NHTSA ID:
      #10134593

      This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage. Read More »

    • TSB #PIT5353B

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10123222

      This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. Read More »

    • TSB #150603002H

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10134595

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #PIE-0435

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190377

      Engineering Information ¿ Roof Panel Joint Finish Molding Loose, Missing or Lifting Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. Read More »

    • TSB #150603002H

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190339

      Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Read More »

    • TSB #150089005A

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190338

      Essential Tools that Include Consumable Parts (U.S. Only) Read More »

    • TSB #140089004D

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190321

      Information for Fleet Vehicles ¿ Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. Read More »

    • TSB #17-NA-331

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190329

      Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Read More »

    • TSB #140089004D

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190336

      Information for Fleet Vehicles ¿ Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. Read More »

    • TSB #PIT5074K

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157020

      This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »

    • TSB #040601029I

      Date Announced:
      SEP 14, 2017
      NHTSA ID:
      #10159572

      This informational bulletin explains the importance of maintaining the vehicle. Read More »

    • TSB #000601012H

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10159569

      This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »

    • TSB #PIT5389E

      Date Announced:
      SEP 11, 2017
      NHTSA ID:
      #10156999

      This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »

    • TSB #100605002E

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159576

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #120851002G

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159577

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #150603002G

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159578

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #PIC6296A

      Date Announced:
      AUG 29, 2017
      NHTSA ID:
      #10137747

      This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Read More »

    • TSB #99-08-51-001D

      Date Announced:
      AUG 23, 2017
      NHTSA ID:
      #10140406

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #04-00-89-015Q

      Date Announced:
      AUG 07, 2017
      NHTSA ID:
      #10140296

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    • TSB #08-08-44-029H

      Date Announced:
      AUG 02, 2017
      NHTSA ID:
      #10140297

      This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only. Read More »

    • TSB #17-NA-170

      Date Announced:
      MAY 23, 2017
      NHTSA ID:
      #10137665

      This informational bulletin explains the Road Force balancers and what they can do for customer concerns. Read More »

    • TSB #05-00-89-029D

      Date Announced:
      MAY 15, 2017
      NHTSA ID:
      #10137605

      This informational bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations. Read More »

    • TSB #16-NA-383

      Date Announced:
      MAY 10, 2017
      NHTSA ID:
      #10137635

      This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. Read More »

    • TSB #03-00-89-006N

      Date Announced:
      MAY 04, 2017
      NHTSA ID:
      #10137602

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #04-00-89-015O

      Date Announced:
      MAY 02, 2017
      NHTSA ID:
      #10137603

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #21NA068

      Date Announced:
      APR 16, 2021
      NHTSA ID:
      #10194101

      This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »

    • TSB #PIT5516E

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10179629

      This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation. Read More »

    • TSB #100089005I

      Date Announced:
      MAR 31, 2020
      NHTSA ID:
      #10174304

      This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs. Read More »

    • TSB #PIT3099S

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165874

      This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.  Technicians should refer to Service Information for information regarding most accessories. Read More »

    • TSB #19NA144

      Date Announced:
      JUN 27, 2019
      NHTSA ID:
      #10163259

      This bulletin provides information regarding the SDM Reprogramming needed after an AEV Bison Style Front Bumper Package Installation onto a Colorado ZR2. Read More »

    • TSB #PIC6360

      Date Announced:
      APR 16, 2019
      NHTSA ID:
      #10160672

      This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Read More »

    • TSB #PIT5668

      Date Announced:
      MAR 29, 2019
      NHTSA ID:
      #10156960

      This preliminary information is to clarify a normal fluctuation of the temperature gauge.  Read More »

    • TSB #070849020P

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158861

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIP4902M

      Date Announced:
      MAR 19, 2019
      NHTSA ID:
      #10156939

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #PIP5632

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10156929

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #030603004X

      Date Announced:
      JAN 24, 2019
      NHTSA ID:
      #10154626

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #PIC6073E

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154606

      This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport ... Read More »

    • TSB #18275

      Date Announced:
      AUG 29, 2018
      NHTSA ID:
      #10145180

      17275 - Customer Satisfaction Program. Certain vehicles, equipped with the Custom Special Edition Package (RPO PCP) may have a condition in which a double-charge was applied for OnStar® (RPO UE1) at the time of vehicle purchase. Read More »

    • TSB #PIC6095C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143758

      This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »

    • TSB #PIC5953D

      Date Announced:
      JUN 14, 2018
      NHTSA ID:
      #10143443

      This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Read More »

    • TSB #18NA141

      Date Announced:
      APR 27, 2018
      NHTSA ID:
      #10137599

      This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic. Read More »

    • TSB #16NA079

      Date Announced:
      MAR 22, 2018
      NHTSA ID:
      #10137401

      Audio speaker sound quality is poor, has a buzzing sound or rattles while listening to the radio or other music source. Read More »

    • TSB #PIT5354B

      Date Announced:
      DEC 18, 2017
      NHTSA ID:
      #10126973

      This Preliminary Information communication advises the technician how to determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4). Read More »

    • TSB #PIC5839D

      Date Announced:
      DEC 06, 2017
      NHTSA ID:
      #10126951

      This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Read More »

    • TSB #16NA239

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139220

      This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle. Read More »

    • TSB #17NA386

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139176

      This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis. Read More »

    • TSB #17NA344

      Date Announced:
      NOV 28, 2017
      NHTSA ID:
      #10139116

      This informational bulletin provides information for the technician when looking up the P/N for the 3.5 mm audio jack for the USB, to make sure and enter the VIN# to ensure the correct part is being ordered. Read More »

    • TSB #PIE0436

      Date Announced:
      OCT 27, 2017
      NHTSA ID:
      #10134637

      This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion. Read More »

    • TSB #PIT5389E

      Date Announced:
      SEP 11, 2017
      NHTSA ID:
      #10156999

      This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »

    • TSB #13-08-116-001C

      Date Announced:
      AUG 30, 2017
      NHTSA ID:
      #10140298

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #PIC6296A

      Date Announced:
      AUG 29, 2017
      NHTSA ID:
      #10137747

      This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Read More »

    • TSB #PIC6302

      Date Announced:
      AUG 16, 2017
      NHTSA ID:
      #10137722

      The PI was created to advise of an engineering investigation for a concern of unable to connect toOnStar Virtual Advisor when selecting "New Destination" in the OnStar menu. Read More »

    • TSB #PIC5932B

      Date Announced:
      AUG 09, 2017
      NHTSA ID:
      #10137705

      This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #18NA266

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10158822

      This technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC). Read More »

    • TSB #PIT5353C

      Date Announced:
      NOV 21, 2018
      NHTSA ID:
      #10151869

      This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. Read More »

    • TSB #PIC6095C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143758

      This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »

    • TSB #18NA134

      Date Announced:
      APR 26, 2018
      NHTSA ID:
      #10137595

      This technical bulletin provides a procedure to test the radios receiver if certain XM channels cut out (mutes) depending on location of the vehicle. Read More »

    • TSB #18NA138

      Date Announced:
      APR 26, 2018
      NHTSA ID:
      #10137598

      This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern. Read More »

    • TSB #PIT5411L

      Date Announced:
      APR 10, 2018
      NHTSA ID:
      #10137495

      This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical ... Read More »

    • TSB #16NA079

      Date Announced:
      MAR 22, 2018
      NHTSA ID:
      #10137401

      Audio speaker sound quality is poor, has a buzzing sound or rattles while listening to the radio or other music source. Read More »

    • TSB #PIC6315C

      Date Announced:
      MAR 22, 2018
      NHTSA ID:
      #10137194

      This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »

    • TSB #PIT5411K

      Date Announced:
      MAR 13, 2018
      NHTSA ID:
      #10137183

      This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical ... Read More »

    • TSB #PIT5411J

      Date Announced:
      FEB 06, 2018
      NHTSA ID:
      #10129862

      This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »

    • TSB #17NA377

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139172

      This informational bulletin provides information for reprogramming the radio with the latest software due to a buzz and/or static noise heard during a Bluetooth call. Read More »

    • TSB #PI1149A

      Date Announced:
      NOV 28, 2017
      NHTSA ID:
      #10140340

      This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ... Read More »

    • TSB #PIC6315A

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10125127

      This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »

    • TSB #PIC6315

      Date Announced:
      NOV 14, 2017
      NHTSA ID:
      #10125115

      This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »

    • TSB #17NA337

      Date Announced:
      OCT 23, 2017
      NHTSA ID:
      #10134618

      This informational bulletin provides information to the customer on the radio display "info pages" being blank and to make sure to select in the "active info pages" menu. Read More »

    • TSB #PIT5353B

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10123222

      This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. Read More »

    • TSB #PIT5411H

      Date Announced:
      AUG 22, 2017
      NHTSA ID:
      #10137733

      This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »

    EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:CONTROLS

    • TSB #PIP5632E

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10201281

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    EQUIPMENT:MECHANICAL

    • TSB #17-NA-163

      Date Announced:
      MAY 12, 2017
      NHTSA ID:
      #10137659

      This informational bulletin provides information for dealers/technicians on the availability of a new spring replacement tonneau latch to replace an original quarter turn latch that has broken. Read More »

    EQUIPMENT:OTHER:LABELS

    • TSB #PIC5453D

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178376

      This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »

    • TSB #PIP5597

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147363

      This Preliminary information communicates to the technician where to find the engine identification tag and what information on that tag to use during programming of someengine control modules. Read More »

    • TSB #17-NA-213

      Date Announced:
      AUG 09, 2017
      NHTSA ID:
      #10140374

      This informational bulletin provides information for the service parts identification (SPID) label replacement. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #PIP5730A

      Date Announced:
      DEC 29, 2020
      NHTSA ID:
      #10187205

      This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. Read More »

    • TSB #PIT5626C

      Date Announced:
      DEC 09, 2020
      NHTSA ID:
      #10185721

      This Preliminary information communicates the potential for a wire chafe to cause intermittent communications concerns and multiple MIL's on in the IPC. Read More »

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187626

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #18NA263

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10184480

      This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »

    • TSB #PIT5074N

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184131

      This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »

    • TSB #17NA134

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183136

      This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2. Read More »

    • TSB #110089005P

      Date Announced:
      SEP 30, 2020
      NHTSA ID:
      #10181724

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #18NA099

      Date Announced:
      AUG 05, 2020
      NHTSA ID:
      #10180299

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #PIC5453D

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178376

      This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »

    • TSB #150089002B

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10179408

      This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »

    • TSB #PIC5453C

      Date Announced:
      JUN 05, 2020
      NHTSA ID:
      #10178306

      This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »

    • TSB #PIP5684A

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176300

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #000310003Z

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10175850

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #PIC5650G

      Date Announced:
      APR 27, 2020
      NHTSA ID:
      #10174861

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #060089029P

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10174302

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #070089037O

      Date Announced:
      MAR 18, 2020
      NHTSA ID:
      #10174303

      This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs. Read More »

    • TSB #060089026P

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10174301

      This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #990089019S

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10174307

      This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #040089015U

      Date Announced:
      FEB 27, 2020
      NHTSA ID:
      #10173415

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #000310003Y

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10173414

      This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    • TSB #16NA119

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172773

      This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #18NA306

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171888

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #PIP5699

      Date Announced:
      JAN 13, 2020
      NHTSA ID:
      #10171271

      This Preliminary information communicates that the owner's manual may be confusing to a customer in regards to towing the vehicle behind another vehicle.  Read More »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #19NA256

      Date Announced:
      NOV 18, 2019
      NHTSA ID:
      #10169341

      This technical bulletin provides a procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »

    • TSB #100089006G

      Date Announced:
      OCT 16, 2019
      NHTSA ID:
      #10168207

      This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #19NA233

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168239

      This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not. Read More »

    • TSB #100089009C

      Date Announced:
      OCT 09, 2019
      NHTSA ID:
      #10168208

      This informational bulletin provides information on key code security and information on GM key code look up applications. Read More »

    • TSB #18NA306

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168188

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #010089010N

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168204

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #19NA142

      Date Announced:
      JUL 25, 2019
      NHTSA ID:
      #10164120

      This technical bulletin provides information for new transmission oil to use, a procedure for exchanging the old fluid and adding the new fluid to a service transmission. Read More »

    • TSB #19NA153

      Date Announced:
      JUL 11, 2019
      NHTSA ID:
      #10164123

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #19NA150

      Date Announced:
      JUL 10, 2019
      NHTSA ID:
      #10164121

      This informational bulletin advises the tech that intake camshaft actuator solenoid bank and the intake actuator park lock solenoid have the same electrical connector and may be swapped causing the concern. Read More »

    • TSB #060847001O

      Date Announced:
      JUN 11, 2019
      NHTSA ID:
      #10163263

      This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »

    • TSB #110089005N

      Date Announced:
      MAR 26, 2019
      NHTSA ID:
      #10158864

      This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm. Read More »

    • TSB #060089029O

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158859

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #030089006Q

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158855

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #040089053G

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158857

      This informational bulletin provides information for the dealer technician to gather as much information to help aid Engineers by completely filling out requested reports. Read More »

    • TSB #070849020P

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158861

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIE0494A

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10158870

      This engineering information PI ends the need for information from the field on a oil leak from the oil pan. Read More »

    • TSB #PIP5526A

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10156933

      This Preliminary Information communication advises the technician that the Product Quality Center part restriction has ended for the 8L45 and 8L90 park actuator rod.   Read More »

    • TSB #PIE0495A

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158871

      This engineering information PI ends the need for information from the field on a oil leak from the oil pan. Read More »

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #010089010M

      Date Announced:
      JAN 31, 2019
      NHTSA ID:
      #10154625

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #080089014D

      Date Announced:
      JAN 31, 2019
      NHTSA ID:
      #10154628

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #120851002I

      Date Announced:
      JAN 22, 2019
      NHTSA ID:
      #10154630

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #040089015T

      Date Announced:
      JAN 14, 2019
      NHTSA ID:
      #10154627

      This warranty administration bulletin provides policy information on required operating procedures. Read More »

    • TSB #17NA066

      Date Announced:
      DEC 14, 2018
      NHTSA ID:
      #10154975

      This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #18NA307

      Date Announced:
      DEC 12, 2018
      NHTSA ID:
      #10154987

      This technical bulletin provides a procedure to locate and repair a possible short in the wiring harness located at the camshaft cover or the cylinder head. Read More »

    • TSB #110089002C

      Date Announced:
      MAR 09, 2018
      NHTSA ID:
      #10137385

      This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months). Read More »

    • TSB #18NA073

      Date Announced:
      MAR 08, 2018
      NHTSA ID:
      #10137301

      This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement. Read More »

    • TSB #030089006P

      Date Announced:
      MAR 07, 2018
      NHTSA ID:
      #10137382

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #110089005L

      Date Announced:
      FEB 13, 2018
      NHTSA ID:
      #10137345

      This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm. Read More »

    • TSB #PIP5552

      Date Announced:
      FEB 01, 2018
      NHTSA ID:
      #10129854

      This Preliminary information communicates a concern of a MIL on with P0459 or P0443 setting and engineering investigating this condition. Read More »

    • TSB #030603004W

      Date Announced:
      FEB 01, 2018
      NHTSA ID:
      #10137341

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #18NA027

      Date Announced:
      JAN 26, 2018
      NHTSA ID:
      #10139272

      This informational bulletin provides information retaining to the fact that Service Manuals will now be available on USB. Read More »

    • TSB #040089015R

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139208

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    • TSB #070089037L

      Date Announced:
      DEC 11, 2017
      NHTSA ID:
      #10139212

      This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs. Read More »

    • TSB #070089036I

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139211

      This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures. Read More »

    • TSB #PIP5526

      Date Announced:
      OCT 20, 2017
      NHTSA ID:
      #10123270

      This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the 8L45 and 8L90 park actuator rod. Read More »

    • TSB #070849020M

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190320

      IPC Odometer Programming Method Quick Reference Guide Read More »

    • TSB #PIT5074K

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157020

      This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »

    • TSB #PIT3099Q

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10156990

      This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »

    • TSB #17-NA-170

      Date Announced:
      JUL 31, 2017
      NHTSA ID:
      #10126081

      This informational bulletin explains the Road Force balancers and what they can do for customer concerns. Read More »

    • TSB #04-00-89-015P

      Date Announced:
      JUL 25, 2017
      NHTSA ID:
      #10126065

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    • TSB #17-NA-073

      Date Announced:
      MAR 15, 2017
      NHTSA ID:
      #10138060

      This warranty administration bulletin provides policy information with the field action courtesy transportation policy. Read More »

    • TSB #06-08-47-001M

      Date Announced:
      MAR 07, 2017
      NHTSA ID:
      #10138014

      This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #21NA147

      Date Announced:
      JUN 22, 2021
      NHTSA ID:
      #10200146

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

      This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »

    • TSB #080730035E

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200152

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #110089002E

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200153

      This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #1008110001I

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191232

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #PIC6208E

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184115

      This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and ... Read More »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #20NA213

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183211

      This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »

    • TSB #16NA380

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183132

      This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #17NA222

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183139

      This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent. Read More »

    • TSB #16NA017

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183123

      This informational bulletin provides information ticking noise and/or noise when turning vehicle off. Read More »

    • TSB #16NA206

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183125

      This service bulletin provides service information on a New Way to Look at NOx Sensor Readings and Exhaust Temperature During a DPF Regeneration or a Reductant System Malfunction Warning Service Bay Test. Read More »

    • TSB #17NA352

      Date Announced:
      OCT 19, 2020
      NHTSA ID:
      #10183149

      This informational bulletin explains how the SOOT readings went from grams to percentage. 2-1-18 Change Subject to reflect the test procedure. 5-1-18 Updated the Information section. Read More »

    • TSB #16NA383

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176607

      This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels ... Read More »

    • TSB #060089029R

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175853

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #PI0281H

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10175855

      This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #060089029Q

      Date Announced:
      APR 03, 2020
      NHTSA ID:
      #10175852

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #N192273630-02

      Date Announced:
      MAR 12, 2020
      NHTSA ID:
      #10173955

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2016-2019 model year diesel engine vehicles. Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    • TSB #040601029J

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173416

      This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #17NA391

      Date Announced:
      FEB 13, 2020
      NHTSA ID:
      #10172780

      This technical bulletin provides a procedure to inspect the PCV fresh air and foul air connectors for proper connections. Read More »

    • TSB #19NA066

      Date Announced:
      FEB 05, 2020
      NHTSA ID:
      #10173391

      This technical bulletin provides a procedure to replace the oil filter insert if found missing or damaged and the cause of the customers concern. Read More »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    • TSB #PIT5323C

      Date Announced:
      AUG 14, 2019
      NHTSA ID:
      #10164768

      This Preliminary Information communication advises the technician about the narrowing of the bedrails. When installing a bed rail accessory the concern is made visible. Read More »

    • TSB #N192218430

      Date Announced:
      AUG 13, 2019
      NHTSA ID:
      #10165441

      N192218430 - Customer Satisfaction Program. During service, certain vehicles equipped with OnStar (RPO UE1), may have received an incorrect and partially programmed/configured replacement OnStar module. Read More »

    • TSB #100845001G

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163268

      This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. Read More »

    • TSB #1308116001E

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163272

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #000601012J

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163260

      This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »

    • TSB #060089029O

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158859

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #1008110001G

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158867

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #100845001F

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158863

      This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish". Read More »

    • TSB #PIE0495A

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158871

      This engineering information PI ends the need for information from the field on a oil leak from the oil pan. Read More »

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #050604022P

      Date Announced:
      MAR 07, 2019
      NHTSA ID:
      #10158858

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #PIE0498

      Date Announced:
      DEC 10, 2018
      NHTSA ID:
      #10155019

      This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture. Read More »

    • TSB #18NA351

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10154989

      This technical bulletin provides a procedure to program the SDM and replace the airbags and pretensioners if deployed. Read More »

    • TSB #060850009J

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155012

      This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices. Read More »

    • TSB #18275

      Date Announced:
      AUG 29, 2018
      NHTSA ID:
      #10145180

      17275 - Customer Satisfaction Program. Certain vehicles, equipped with the Custom Special Edition Package (RPO PCP) may have a condition in which a double-charge was applied for OnStar® (RPO UE1) at the time of vehicle purchase. Read More »

    • TSB #PIP4902K

      Date Announced:
      AUG 28, 2018
      NHTSA ID:
      #10144476

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #PIC5953D

      Date Announced:
      JUN 14, 2018
      NHTSA ID:
      #10143443

      This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Read More »

    • TSB #PIC6333

      Date Announced:
      MAY 15, 2018
      NHTSA ID:
      #10141355

      This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. Read More »

    • TSB #16NA079

      Date Announced:
      MAR 22, 2018
      NHTSA ID:
      #10137401

      Audio speaker sound quality is poor, has a buzzing sound or rattles while listening to the radio or other music source. Read More »

    • TSB #000089027J

      Date Announced:
      MAR 16, 2018
      NHTSA ID:
      #10137380

      This informational bulletin provides information to dealership personnel on properly eliminating unwanted odors in vehicles. Read More »

    • TSB #PIE-0435

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190377

      Engineering Information ¿ Roof Panel Joint Finish Molding Loose, Missing or Lifting Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. Read More »

    • TSB #150603002H

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190339

      Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Read More »

    • TSB #150089005A

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190338

      Essential Tools that Include Consumable Parts (U.S. Only) Read More »

    • TSB #140089004D

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190321

      Information for Fleet Vehicles ¿ Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. Read More »

    • TSB #17-NA-331

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190329

      Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Read More »

    • TSB #140089004D

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190336

      Information for Fleet Vehicles ¿ Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. Read More »

    • TSB #PIT5389E

      Date Announced:
      SEP 11, 2017
      NHTSA ID:
      #10156999

      This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #PIT5725

      Date Announced:
      DEC 13, 2019
      NHTSA ID:
      #10170433

      This Preliminary Infiormation relates to air condition performance issues that can occur if bulletin 19-NA-177 for air conditioning evaporator freeze up is performed on vehicles not in the geographical areas where this can occur. Read More »

    • TSB #PIT5688A

      Date Announced:
      SEP 19, 2019
      NHTSA ID:
      #10165895

      This preliminary information was released to advise of an alternate means of purging the air from the cooling system.  Read More »

    • TSB #PIT5625B

      Date Announced:
      JUL 29, 2019
      NHTSA ID:
      #10163680

      This preliminary information is to alert the service technician of a potential A/C evaporator freezing concern , engineering is investigating.  Read More »

    • TSB #18NA127

      Date Announced:
      MAY 02, 2019
      NHTSA ID:
      #10161936

      This informational bulletin provides information to check and verify that no leaks are found and clean the flux build up using a good brush. Read More »

    • TSB #PIT5625A

      Date Announced:
      NOV 15, 2018
      NHTSA ID:
      #10151854

      This preliminary information is to alert the service technician of a potential A/C evaporator freezing concern , engineering is investigating.  Read More »

    • TSB #PIT5099D

      Date Announced:
      OCT 10, 2018
      NHTSA ID:
      #10147367

      This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »

    • TSB #PIT5625

      Date Announced:
      JUL 23, 2018
      NHTSA ID:
      #10143771

      This preliminary information is to alert the service technician of a potential A/C evaporator freezing concern , engineering is investigating. Read More »

    • TSB #PIT5099C

      Date Announced:
      JUN 20, 2018
      NHTSA ID:
      #10143449

      This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »

    UNKNOWN OR OTHER

    • TSB #21NA108

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10198879

      This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »

    • TSB #N202313200

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10187617

      Emission - General Motors has decided to conduct a Voluntary Emission Recall involving certain 2017-2020 Chevrolet Colorado and GMC Canyon vehicles. Read More »

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