TSB List for the 2012 GMC Sierra

Technical Service Bulletins (TSBs) for the 2012 Sierra are official communications between GMC & 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: STEERING WHEEL/HANDLE BAR
  • STEERING:COLUMN
  • STEERING:HYDRAULIC POWER ASSIST SYSTEM
  • STEERING:HYDRAULIC POWER ASSIST:PUMP
  • STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS
  • STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID
  • STEERING:ELECTRIC POWER ASSIST SYSTEM
  • SUSPENSION
  • SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY
  • SUSPENSION:FRONT:HUB
  • SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY
  • SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:LEAF
  • SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
  • TRACTION CONTROL SYSTEM
  • BRAKES (PWS)
  • SERVICE BRAKES, HYDRAULIC
  • SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
  • SERVICE BRAKES, ELECTRIC
  • SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
  • SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
  • SERVICE BRAKES, AIR:CONTROLS:FOOT CONTROL/VALVE
  • SERVICE BRAKES, AIR:DISC:PADS
  • SERVICE BRAKES, AIR:ANTILOCK
  • ENGINE (PWS)
  • ENGINE AND ENGINE COOLING
  • ENGINE AND ENGINE COOLING:ENGINE
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
  • ENGINE AND ENGINE COOLING:ENGINE:DIESEL
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
  • FUEL SYSTEM, GASOLINE
  • FUEL SYSTEM, GASOLINE:STORAGE
  • FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
  • 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:FUEL RAIL
  • FUEL SYSTEM, DIESEL
  • FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
  • FUEL SYSTEM, OTHER
  • FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
  • FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
  • FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
  • POWER TRAIN
  • POWER TRAIN:AUTOMATIC TRANSMISSION
  • POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
  • POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
  • POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER
  • POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
  • POWER TRAIN:AXLE ASSEMBLY
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:12V/24V/48V BATTERY
  • ELECTRICAL SYSTEM:WIRING
  • ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
  • ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
  • ELECTRICAL SYSTEM:IGNITION
  • ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
  • ELECTRICAL SYSTEM:SOFTWARE
  • ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
  • EXTERIOR LIGHTING
  • LIGHTING (PWS)
  • EXTERIOR LIGHTING:HEADLIGHTS
  • EXTERIOR LIGHTING:BRAKE LIGHTS
  • VISIBILITY
  • VISIBILITY:GLASS, SIDE/REAR
  • VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
  • VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
  • VISIBILITY:WINDSHIELD WIPER/WASHER
  • VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
  • AIR BAGS
  • AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE
  • AIR BAGS:SIDE/WINDOW:CURTAIN
  • AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
  • SEAT BELTS
  • STRUCTURE
  • STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS
  • STRUCTURE:BODY
  • STRUCTURE:BODY:BUMPERS
  • STRUCTURE:BODY:DOOR
  • STRUCTURE:BODY:TAILGATE
  • STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS
  • STRUCTURE:BODY:ROOF AND PILLARS
  • LATCHES/LOCKS/LINKAGES:DOORS:LATCH
  • VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
  • VEHICLE SPEED CONTROL:CRUISE CONTROL
  • TIRES
  • TIRES:SIDEWALL
  • WHEELS
  • WHEELS:HUB
  • TRAILER HITCHES
  • SEATS
  • SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER
  • ELECTRONIC STABILITY CONTROL
  • ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
  • BACK OVER PREVENTION: BACK-UP ALARM
  • INTERIOR LIGHTING
  • EQUIPMENT
  • EQUIPMENT:ELECTRICAL
  • EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES
  • EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
  • EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
  • EQUIPMENT:MECHANICAL
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • EQUIPMENT ADAPTIVE/MOBILITY
  • EQUIPMENT:APPLIANCE:AIR CONDITIONER
  • STEERING

    • TSB #PI0639C

      Date Announced:
      JAN 25, 2016
      NHTSA ID:
      #10112287

      This preliminary informational bulletin provides a procedure to apply dielectric grease and a piece of adhesive shim stock to the steering angle sensor connector to correct a condition of service stabilitak message displayed in DIC and ... Read More »

    • TSB #PIT5052D

      Date Announced:
      AUG 28, 2014
      NHTSA ID:
      #10112203

      This Preliminary Information communication provides information to the technician about vehicles that have a steering wheel vibration. Some customers may be looking to add steering stabilizer. Read More »

    • TSB #PIT4844E

      Date Announced:
      OCT 02, 2013
      NHTSA ID:
      #10112384

      This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Read More »

    • TSB #PI0639A

      Date Announced:
      MAY 01, 2013
      NHTSA ID:
      #10043887

      GM: THE SERVICE STABILITRAK MESSAGE BEING DISPLAYED IN DIC. THE STABILITRAK INDICATOR LIGHT MAY ALSO BE ON. *JS UPDATED ON 7/9/2013. *KB Read More »

    • TSB #PIT4844D

      Date Announced:
      NOV 02, 2012
      NHTSA ID:
      #10112535

      This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Read More »

    STEERING: STEERING WHEEL/HANDLE BAR

    • TSB #PIT5184A

      Date Announced:
      NOV 25, 2013
      NHTSA ID:
      #10112368

      This Preliminary Information communication provides information to the technician about vehicles that have an instrument panel backlighting flashes, flickers or inoperative, unwanted horn activation, radio controls inoperative or unwanted ... Read More »

    • TSB #PIT-5184

      Date Announced:
      OCT 01, 2012
      NHTSA ID:
      #10047839

      CADILLAC/CHEVROLET/GMC: WILL HAVE INOPERATIVE CRUISE CONTROL; INOPERATIVE OR UNWANTED ACTIVATION OF RADIO CONTROLS; BACKLIGHTING FLASHES, FLICKERS OR INOPERATIVE DUE TO POSSIBLE SHORT TO GROUND ON STEERING WHEEL COIL CONNECTOR X2. Read More »

    STEERING:COLUMN

    • TSB #PIT5052D

      Date Announced:
      AUG 28, 2014
      NHTSA ID:
      #10112203

      This Preliminary Information communication provides information to the technician about vehicles that have a steering wheel vibration. Some customers may be looking to add steering stabilizer. Read More »

    STEERING:HYDRAULIC POWER ASSIST SYSTEM

    • TSB #13-02-32-001D

      Date Announced:
      JAN 19, 2016
      NHTSA ID:
      #10112278

      This technical bulletin provides a procedure to flush and bleed the power steering system to correct a condition of power steering noise or fluid leak from power steering pump, gear or high pressure hose during extreme low temperature ... Read More »

    • TSB #SB-07-02-32-002N

      Date Announced:
      SEP 01, 2013
      NHTSA ID:
      #10053864

      BUICK/CADILLAC/CHEVROLET/GMC/PONTIAC/ SATURN: THERE IS FLUID LEAKING FROM POWER STEERING SYSTEM, ALONG A FLUID LEAK IN FRONT OF VEHICLE UNDERNEATH AND SHOULD BE INSPECTED, CLEANED AND IDENTIFIED BEFORE REPAIRING OR REPLACING. Read More »

    STEERING:HYDRAULIC POWER ASSIST:PUMP

    • TSB #PI-0671

      Date Announced:
      FEB 01, 2012
      NHTSA ID:
      #10043629

      GENERAL MOTORS: RESERVOIR FOR POWER STEERING FLUID IS HEAT DAMAGED AND LEAKING. MAY CAUSED PROBLEMS WITH POWER STEERING PUMP. *PE Read More »

    STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

    • TSB #12-02-32-001

      Date Announced:
      FEB 01, 2013
      NHTSA ID:
      #10043850

      GMC: HYDRAULIC POWER STEERING LEAK AT HOSE CONNECTION TO STEERING RACK. ALL POTENTIAL LEAKS SHOULD BE COMPLETELY CLEANED AND INDENTIFIED BEFORE ATTEMPTING TO REPAIR OR REPLACE ANY POWER STEERING COMPONENTS. *JS UPDATED 4/22/13. Read More »

    STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID

    • TSB #SB-07-02-32-002N

      Date Announced:
      SEP 01, 2013
      NHTSA ID:
      #10053864

      BUICK/CADILLAC/CHEVROLET/GMC/PONTIAC/ SATURN: THERE IS FLUID LEAKING FROM POWER STEERING SYSTEM, ALONG A FLUID LEAK IN FRONT OF VEHICLE UNDERNEATH AND SHOULD BE INSPECTED, CLEANED AND IDENTIFIED BEFORE REPAIRING OR REPLACING. Read More »

    • TSB #PI-0671

      Date Announced:
      FEB 01, 2012
      NHTSA ID:
      #10043629

      GENERAL MOTORS: RESERVOIR FOR POWER STEERING FLUID IS HEAT DAMAGED AND LEAKING. MAY CAUSED PROBLEMS WITH POWER STEERING PUMP. *PE Read More »

    STEERING:ELECTRIC POWER ASSIST SYSTEM

    • TSB #PI0639C

      Date Announced:
      JAN 25, 2016
      NHTSA ID:
      #10112287

      This preliminary informational bulletin provides a procedure to apply dielectric grease and a piece of adhesive shim stock to the steering angle sensor connector to correct a condition of service stabilitak message displayed in DIC and ... Read More »

    SUSPENSION

    • TSB #09-03-09-001C

      Date Announced:
      FEB 13, 2015
      NHTSA ID:
      #10113548

      This technical bulletin provides repair information for the re-torque of leaf spring bolts to correct a customer concern for a clunking noise coming from the rear of the vehicle. Read More »

    • TSB #09-03-09-001B

      Date Announced:
      FEB 12, 2015
      NHTSA ID:
      #10113543

      This technical bulletin provides repair information for the re-torque of leaf spring bolts to correct a customer concern for a clunking noise coming from the rear of the vehicle. Read More »

    SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY

    • TSB #09-03-09-001C

      Date Announced:
      FEB 13, 2015
      NHTSA ID:
      #10113548

      This technical bulletin provides repair information for the re-torque of leaf spring bolts to correct a customer concern for a clunking noise coming from the rear of the vehicle. Read More »

    • TSB #09-03-09-001B

      Date Announced:
      FEB 12, 2015
      NHTSA ID:
      #10113543

      This technical bulletin provides repair information for the re-torque of leaf spring bolts to correct a customer concern for a clunking noise coming from the rear of the vehicle. Read More »

    SUSPENSION:FRONT:HUB

    • TSB #PIT3078F

      Date Announced:
      OCT 29, 2012
      NHTSA ID:
      #10112519

      This Preliminary Information communication provides information to the technician about vehicles that have grease leaking from front hub bearings. Technician should not replace the bearing for grease purge. Read More »

    SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY

    • TSB #06-03-09-004H

      Date Announced:
      JUL 17, 2017
      NHTSA ID:
      #10108599

      This technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition of a squeak noise originating from the rear of the vehicle. Read More »

    • TSB #09-03-09-001C

      Date Announced:
      FEB 13, 2015
      NHTSA ID:
      #10113548

      This technical bulletin provides repair information for the re-torque of leaf spring bolts to correct a customer concern for a clunking noise coming from the rear of the vehicle. Read More »

    • TSB #09-03-09-001B

      Date Announced:
      FEB 12, 2015
      NHTSA ID:
      #10113543

      This technical bulletin provides repair information for the re-torque of leaf spring bolts to correct a customer concern for a clunking noise coming from the rear of the vehicle. Read More »

    • TSB #SB-09-03-09-001

      Date Announced:
      APR 01, 2011
      NHTSA ID:
      #10030766

      CHEVROLET/GMC: A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE. UPON FURTHER INVESTIGATION, THE TECHNICIAN MAY DIAGNOSE THE NOISE COMING FROM THE REAR SUSPENSION LEAF SPRING AREA. *PE UPDATED 6/30/2011. Read More »

    SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:LEAF

    • TSB #SB-09-03-09-001

      Date Announced:
      APR 01, 2011
      NHTSA ID:
      #10030766

      CHEVROLET/GMC: A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE. UPON FURTHER INVESTIGATION, THE TECHNICIAN MAY DIAGNOSE THE NOISE COMING FROM THE REAR SUSPENSION LEAF SPRING AREA. *PE UPDATED 6/30/2011. Read More »

    SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY

    • TSB #PB-12050

      Date Announced:
      MAY 01, 2015
      NHTSA ID:
      #10044218

      CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME 2011-2012 TRUCKS, A GRINDING NOISE AND VIBRATION WOULD BE NOTICEABLE DUE TO THE REAR AXLE RIGHT HAND SIDE BEARING ADJUSTER CLIP AND BOLT MAY COME LOOSE INSIDE OF ... Read More »

    • TSB #SB-0000190699

      Date Announced:
      APR 27, 2014
      NHTSA ID:
      #10061175

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    TRACTION CONTROL SYSTEM

    • TSB #PIT-5120-A

      Date Announced:
      SEP 01, 2012
      NHTSA ID:
      #10047479

      GMC/CHEVROLET/CADILLAC: INSTRUMENT PANEL MESSAGES REGARDING STABILITRAK MESSAGE, TRACTION CONTROL MESSAGE, SERVICE BRAKE SYSTEM MESSAGE, IS OFF AND GAUGES, IN VARIOUS MODULES LOW SPEED SETTINGS, ARE INOPERATIVE. Read More »

    BRAKES (PWS)

    • TSB #00-05-22-002O

      Date Announced:
      MAR 24, 2015
      NHTSA ID:
      #10113770

      This informational bulletin provides technicians with a brake lathe calibration procedure. Read More »

    • TSB #PIT5206C

      Date Announced:
      JUL 25, 2014
      NHTSA ID:
      #10112129

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »

    • TSB #PIT5206B

      Date Announced:
      MAY 06, 2014
      NHTSA ID:
      #10112055

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ... Read More »

    • TSB #06-00-89-026L

      Date Announced:
      AUG 26, 2013
      NHTSA ID:
      #10113502

      This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND. Read More »

    • TSB #PIT4383N

      Date Announced:
      NOV 16, 2012
      NHTSA ID:
      #10112580

      This Preliminary Information communication advises the technician that the Electronic Brake Control Module and Brake Pressure Modulator Valve for the 2-Mode Hybrid Utilities and Trucks will be placed on a parts restriction through the ... Read More »

    • TSB #PIT3665C

      Date Announced:
      NOV 06, 2012
      NHTSA ID:
      #10112546

      This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »

    • TSB #PIT4826B

      Date Announced:
      NOV 01, 2012
      NHTSA ID:
      #10112531

      This Preliminary Information communication provides information to the technician about hairline cracks may be noticed in the pad friction material, when performing a brake inspection. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #PIT4597E

      Date Announced:
      MAR 01, 2016
      NHTSA ID:
      #10113887

      This Preliminary Information communication provides the technician with the additional steps that are needed to help perform a successful brake bleed on the 2-Mode Hybrid with Regular Production Option Code HP2. Read More »

    • TSB #PIT-5206

      Date Announced:
      JUL 01, 2014
      NHTSA ID:
      #10052066

      GENERAL MOTORS: OWNERS MAY COMPLAIN ABOUT UNWANTED BRAKING, OR REDUCED ENGINE POWER. THERE MAY ALSO BE SOME UP AND DOWN SHIFTS WITH THE TRANSMISSION. *KB UPDATED 10/15/14. *PE UPDATED 11/12/14. Read More »

    • TSB #PIT3665C

      Date Announced:
      NOV 06, 2012
      NHTSA ID:
      #10112546

      This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »

    SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

    • TSB #PIT3665E

      Date Announced:
      JAN 31, 2017
      NHTSA ID:
      #10113364

      This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »

    • TSB #PIT5206C

      Date Announced:
      JUL 25, 2014
      NHTSA ID:
      #10112129

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »

    • TSB #PIT5206B

      Date Announced:
      MAY 06, 2014
      NHTSA ID:
      #10112055

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ... Read More »

    • TSB #PIT-5181

      Date Announced:
      SEP 01, 2012
      NHTSA ID:
      #10047419

      CHEVROLET/GMC/CADILLAC: BRAKE PEDAL POSITION (BPP) SENSOR HAS RELATED ISSUES AFTER NORMAL DIAGNOSTICS, REGARDING CONNECTOR X205, TERMINAL CONCERN, CRUISE/BRAKE LIGHT OR SERVICE STABILITY MESSAGE OR REDUCED ENGINE POWER. Read More »

    SERVICE BRAKES, ELECTRIC

    • TSB #PIT4600E

      Date Announced:
      NOV 15, 2012
      NHTSA ID:
      #10112577

      This Preliminary Information communication provides information to the technician about Electronic Brake Control Module relearn procedure is required anytime the Electronic Brake Control Module is replaced or has been Service Programming ... Read More »

    • TSB #PIT4593D

      Date Announced:
      NOV 15, 2012
      NHTSA ID:
      #10112578

      This Preliminary Information communication provides information to the technician about vehicles that have a lack of brake assist after disconnecting the battery or after the 12 volts battery has run low on voltage. Read More »

    • TSB #PIT4225F

      Date Announced:
      NOV 06, 2012
      NHTSA ID:
      #10112551

      This Preliminary Information communication provides information to the technician about vehicles that have an Antilock Braking System lamp followed by a Service Stability message in the Drivers Information Center. Read More »

    • TSB #PIT4169F

      Date Announced:
      OCT 31, 2012
      NHTSA ID:
      #10112526

      This Preliminary Information communication provides information to the technician about vehicles that have a "Service Stability Message" appears on the Drivers Information Center. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

    • TSB #PIT4826B

      Date Announced:
      NOV 01, 2012
      NHTSA ID:
      #10112531

      This Preliminary Information communication provides information to the technician about hairline cracks may be noticed in the pad friction material, when performing a brake inspection. Read More »

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

    • TSB #PIT4225F

      Date Announced:
      NOV 06, 2012
      NHTSA ID:
      #10112551

      This Preliminary Information communication provides information to the technician about vehicles that have an Antilock Braking System lamp followed by a Service Stability message in the Drivers Information Center. Read More »

    SERVICE BRAKES, AIR:CONTROLS:FOOT CONTROL/VALVE

    • TSB #PIT5206A

      Date Announced:
      NOV 14, 2013
      NHTSA ID:
      #10112356

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages " ... Read More »

    SERVICE BRAKES, AIR:DISC:PADS

    • TSB #PIT4826B

      Date Announced:
      NOV 01, 2012
      NHTSA ID:
      #10112531

      This Preliminary Information communication provides information to the technician about hairline cracks may be noticed in the pad friction material, when performing a brake inspection. Read More »

    SERVICE BRAKES, AIR:ANTILOCK

    • TSB #PIT4225F

      Date Announced:
      NOV 06, 2012
      NHTSA ID:
      #10112551

      This Preliminary Information communication provides information to the technician about vehicles that have an Antilock Braking System lamp followed by a Service Stability message in the Drivers Information Center. Read More »

    ENGINE (PWS)

    • TSB #16-NA-222

      Date Announced:
      JUL 11, 2016
      NHTSA ID:
      #10100822

      THIS INFORMATIONAL BULLETIN PROVIDES THE TECHNICIAN WITH WHAT MAY HAPPEN TO AN ENGINE DUE TO LACK OF MAINTENANCE. Read More »

    • TSB #PIP5276F

      Date Announced:
      MAR 01, 2016
      NHTSA ID:
      #10113888

      This Preliminary Information communication provides steps the technician will uses to diagnose and repair vehicles that have low oil pressure after an oil change with the engine Regular Production Option Code L20, L77, L94, L96, L99, L9H, ... Read More »

    • TSB #PIP5104B

      Date Announced:
      FEB 09, 2016
      NHTSA ID:
      #10095901

      THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A COLD ENGINE TICK NOISE FOR 50 SECONDS AT START UP. Read More »

    • TSB #06-06-01-010C

      Date Announced:
      JAN 14, 2016
      NHTSA ID:
      #10112272

      This informational bulletin provides information on close coupled converters and there affect on newly installed engines or engines during there break in period. Read More »

    • TSB #PIP-5276-E

      Date Announced:
      AUG 01, 2015
      NHTSA ID:
      #10059078

      CADILLAC/CHEVROLET/GMC: ON SOME VEHICLES AND/OR TRUCKS, INSTRUMENT CLUSTER WILL ILLUMINATE, AFTER AN OIL CHANGE, INDICATING LOW OIL PRESSURE AND/OR SES LAMP WILL ILLUMINATE. Read More »

    • TSB #PIP-5069-A

      Date Announced:
      JUN 01, 2015
      NHTSA ID:
      #10059076

      CHEVROLET/GMC: WHEN AMBIENT TEMPERATURE REACHES 103F OR GREATER AND ACCELERATING FROM A STOP, THERE IS A LACK OF POWER FROM ENGINE. MODEL 2010-14 AVALANCHE, SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON. Read More »

    • TSB #SB-080604003-C

      Date Announced:
      SEP 01, 2014
      NHTSA ID:
      #10056354

      GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER. MODEL 2002-15 SILVERADO, SIERRA, 2004-09 KODIAK C4500-C5500, TOPKICK C4500-C5500, 2006-15 EXPRESS, SAVANA. Read More »

    • TSB #PIP4912C

      Date Announced:
      AUG 15, 2014
      NHTSA ID:
      #10112167

      This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. Read More »

    • TSB #PIP3783D

      Date Announced:
      JUL 16, 2014
      NHTSA ID:
      #10112115

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on or reduced engine power message. Read More »

    • TSB #PIP3119M

      Date Announced:
      MAY 14, 2014
      NHTSA ID:
      #10112069

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »

    • TSB #PIP-5168-C

      Date Announced:
      APR 01, 2014
      NHTSA ID:
      #10055840

      GMC/CHEVROLET: SOME VEHICLES/TRUCKS MAY EXPERIENCE A NO CRANKING OR STARTING, CAUSED BY POSSIBLE EXCESSIVE LEAKAGE FROM CYLINDER PAST EXHAUST OR INTAKE VALVE, LOW STATIC COMPRESSION, SENSOR IS DISCONNECTED, OR WHILE CRANKING, VALVE TRAIN ... Read More »

    • TSB #PIP4912B

      Date Announced:
      NOV 08, 2013
      NHTSA ID:
      #10112339

      This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. Read More »

    • TSB #PIP4568P

      Date Announced:
      OCT 30, 2013
      NHTSA ID:
      #10112436

      This Preliminary Information communication provides information to the technician that some vehicles may have a Service Engine Soon lamp, engine misfire on cylinder 1, 4, 6, or 7 and/or tick noise. Read More »

    • TSB #PIP4864M

      Date Announced:
      SEP 16, 2013
      NHTSA ID:
      #10113248

      This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" ... Read More »

    • TSB #PIP4898A

      Date Announced:
      AUG 29, 2013
      NHTSA ID:
      #10113224

      This Preliminary Information communication provides information to the technician about vehicles that may have an engine buzz, moan, rattle, whine, or vibration type noise that can typically be heard at idle or low revolutions per minute. Read More »

    • TSB #PIP5148

      Date Announced:
      AUG 22, 2013
      NHTSA ID:
      #10113209

      This Preliminary Information communication provides information to the technician about vehicles that a tick ping noise on torque reversal or load. Technician will need to replace the propeller shaft. Read More »

    • TSB #PIP5088

      Date Announced:
      JAN 29, 2013
      NHTSA ID:
      #10112744

      This Preliminary Information communication advises the technician that 2013 6.6L Duramax Diesel Engine Regular Production Option Code (LGH and LML) part number 12638502 will be placed on a parts restriction through the General Motors ... Read More »

    • TSB #PIP5083

      Date Announced:
      JAN 16, 2013
      NHTSA ID:
      #10112725

      This Preliminary Information communication provides information to the technician about vehicles that have misfires on cylinders 1, 4, 6 and 7. Technician should inspect the camshaft part numbers. Read More »

    • TSB #PIP-4828-A

      Date Announced:
      JAN 01, 2013
      NHTSA ID:
      #10051760

      CHEVROLET/GMC: AFTER COLD STARTING ENGINE AND PLACING IN GEAR, WOULD HAVE A ROUGH IDLE AND/LACK OF POWER, MOMENTARILY BEFORE STARTUP A FEW MINUTES LATER. MODELS 2009-2013 EXPRESS, SILVERADO, SUBURBAN, SAVANA, SIERRA. Read More »

    • TSB #SB-12188

      Date Announced:
      AUG 01, 2012
      NHTSA ID:
      #10045899

      CHEVROLET/GMC: STARTER MOTOR, ON CERTAIN SUVS, MAY WEAR THRU, AFTER CONTACT, WIRING INSULATION, WHICH CAUSES CIRCUIT CONDITION TO SHORT OUT. STARTER MOTOR BECOMES INOPERATIVE. MODELS 2013 CHEVROLET AVALANCHE, SILVERADO AND GMC SIERRA. Read More »

    • TSB #SB-12118

      Date Announced:
      JUN 01, 2012
      NHTSA ID:
      #10045041

      GMC/CHEVROLET: IF NOT TORQUED TO SPECIFICATION, ON CERTAIN TRUCKS, BOLTS ON 4 WATER PUMP PULLEY, COULD BACK OUT OR BREAK. *PE Read More »

    ENGINE AND ENGINE COOLING

    • TSB #00-06-01-026G

      Date Announced:
      AUG 04, 2015
      NHTSA ID:
      #10113792

      This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage. Read More »

    • TSB #07-06-04-019E

      Date Announced:
      JUN 23, 2015
      NHTSA ID:
      #10113703

      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 #15-00-89-004A

      Date Announced:
      MAY 22, 2015
      NHTSA ID:
      #10113658

      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 #00-06-01-026F

      Date Announced:
      MAY 21, 2015
      NHTSA ID:
      #10113657

      This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage. Read More »

    • TSB #15-00-90-001

      Date Announced:
      MAR 06, 2015
      NHTSA ID:
      #10113738

      This informational bulletin provides technicians with diagnostic tips for preventing oil leaks after changing oil and filter. Read More »

    • TSB #PIP4568R

      Date Announced:
      JAN 21, 2015
      NHTSA ID:
      #10114354

      This Preliminary Information communication provides information to the technician that some vehicles may have a Service Engine Soon lamp, engine misfire on cylinder 1, 4, 6, or 7 and/or tick noise. Read More »

    • TSB #PIP4932C

      Date Announced:
      AUG 15, 2014
      NHTSA ID:
      #10112168

      This Preliminary Information communication provides information to the technician about vehicles with Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0101. Read More »

    • TSB #PIT4821D

      Date Announced:
      MAY 20, 2014
      NHTSA ID:
      #10112078

      This Preliminary Information communication advises the technician that the 2-Mode Drive Motor Generator Battery placed on parts restriction by General Motors Technical Assistance Center. Read More »

    • TSB #PIP5168A

      Date Announced:
      JAN 22, 2014
      NHTSA ID:
      #10112018

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Read More »

    • TSB #PIP5161

      Date Announced:
      OCT 30, 2013
      NHTSA ID:
      #10112433

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on a rough running engine, and/or oil consumption. Read More »

    • TSB #06-06-01-010B

      Date Announced:
      AUG 19, 2013
      NHTSA ID:
      #10113494

      This informational bulletin provides information on close-coupled converter and engine replacement. Read More »

    • TSB #PIP5068A

      Date Announced:
      JUN 28, 2013
      NHTSA ID:
      #10113069

      This Preliminary Information communication provides information to the technician abut vehicles that have a knock noise or vibration from the engine or transmission. Technician will need to inspect the flex plate. Read More »

    • TSB #PIP4793G

      Date Announced:
      JUN 27, 2013
      NHTSA ID:
      #10113067

      This Preliminary Information communication advises the technician that the Allison A1000 Valve Body part number 29545998 will be placed on a parts restriction through the General Motors Product Quality Center. Read More »

    • TSB #PIP3119L

      Date Announced:
      JUN 24, 2013
      NHTSA ID:
      #10113059

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »

    • TSB #PIP5108A

      Date Announced:
      JUN 24, 2013
      NHTSA ID:
      #10113060

      This Preliminary Information communication provides information to the technician about vehicles that have an audible engine whine noise at 1500-1800 revolutions per minute. Read More »

    • TSB #PIP5110

      Date Announced:
      APR 16, 2013
      NHTSA ID:
      #10112974

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P0420. Read More »

    • TSB #PIP5108

      Date Announced:
      APR 12, 2013
      NHTSA ID:
      #10112966

      This Preliminary Information communication provides information to the technician about vehicles that have an audible engine whine noise at 1500-1800 revolutions per minute. Read More »

    • TSB #PIP4158E

      Date Announced:
      APR 05, 2013
      NHTSA ID:
      #10112958

      This Preliminary Information communication provides information to the technician about vehicles that have low oil pressure, no oil pressure, and/or engine noise. Technician will need to replace the oil pump, flush the oil cooler lines. Read More »

    • TSB #PIP5104

      Date Announced:
      APR 04, 2013
      NHTSA ID:
      #10112955

      This Preliminary Information communication provides information to the technician about vehicles that may have a cold engine tick noise for 50 seconds at start up. Read More »

    • TSB #PIP5100

      Date Announced:
      MAR 14, 2013
      NHTSA ID:
      #10112901

      This Preliminary Information communication provides information to the technician about vehicles that will not move in forward or reverse. Read More »

    • TSB #PIP4828B

      Date Announced:
      JAN 14, 2013
      NHTSA ID:
      #10112717

      This Preliminary Information communication provides information to the technician about vehicles that have a rough idle and/or momentary lack of power after cold starting the engine and immediately placing the transmission in gear. Read More »

    • TSB #11-00-90-001A

      Date Announced:
      DEC 20, 2012
      NHTSA ID:
      #10113849

      This informational bulletin provides information on the proper oils to use on GM vehicles including information regarding the differences of the Dexos oils. Read More »

    • TSB #PIT4813C

      Date Announced:
      DEC 12, 2012
      NHTSA ID:
      #10112648

      This Preliminary Information communication provides information to the technician about vehicles with a "Service Charging System" message displayed on the Driver Information Center and/or a low voltage reading on the volt gauge during the ... Read More »

    • TSB #PIP4932B

      Date Announced:
      NOV 05, 2012
      NHTSA ID:
      #10112539

      This Preliminary Information communication provides information to the technician about vehicles with Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0101. Read More »

    • TSB #PIP5069

      Date Announced:
      OCT 17, 2012
      NHTSA ID:
      #10112487

      This Preliminary Information communication provides information to the technician about vehicles that have a lack of power on initial acceleration from a stop when the ambient temperature is approximately 103 Fahrenheit or greater and may ... Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #PI0699

      Date Announced:
      AUG 01, 2015
      NHTSA ID:
      #10043893

      GM: GAUGE FLUCTUATION, VARIOUS DTCS, AND THE WIRING HARNESS MAY BE CHAFING/RUBBING ON A/C LINE. *JS UPDATED 5/22/12. *JS UPDATED 2/5/16. *PE Read More »

    • TSB #UIB-117

      Date Announced:
      JUL 16, 2014
      NHTSA ID:
      #10058259

      GENERAL MOTORS: AN OPTIONAL ENGINE BLOCK HEATER PLUG IN FOR ONBOARD AC POWER AND WITH CONTINUOUS USAGE WILL RESULT IN SHORTING OF WIRES, OVER HEATING SYSTEM, ELECTRICAL FAILURE AND COMPARTMENT ENGINE FIRES. Read More »

    • TSB #PIT-5206

      Date Announced:
      JUL 01, 2014
      NHTSA ID:
      #10052066

      GENERAL MOTORS: OWNERS MAY COMPLAIN ABOUT UNWANTED BRAKING, OR REDUCED ENGINE POWER. THERE MAY ALSO BE SOME UP AND DOWN SHIFTS WITH THE TRANSMISSION. *KB UPDATED 10/15/14. *PE UPDATED 11/12/14. Read More »

    • TSB #PIP-5100

      Date Announced:
      OCT 01, 2013
      NHTSA ID:
      #10052062

      GENERAL MOTORS: TROUBLE MOVING THE VEHILCE IN FORWARD OR REVERSE. THIS COULD BEGIN TO HAPPEN AFTER THE REPLACEMENT OF THE SPIN-ON OIL FILTER. DTC CODES P0701, P0729, P0731, P0732, P0733, P0734, P0735, P0751, P0756, P0761, P0877 OR P2723. Read More »

    • TSB #PIP-4158F

      Date Announced:
      MAY 01, 2013
      NHTSA ID:
      #10052311

      GENERAL MOTORS: LOW ENGINE OIL PRESSURE, NO OIL PRESSURE, AND/OR ENGINE NOISE. THIS COULD BE THE RESULT OF A STICKING OIL PUMP PRESSURE RELIEF VALVE. *KB Read More »

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

    • TSB #SB-12118

      Date Announced:
      JUN 01, 2012
      NHTSA ID:
      #10045041

      GMC/CHEVROLET: IF NOT TORQUED TO SPECIFICATION, ON CERTAIN TRUCKS, BOLTS ON 4 WATER PUMP PULLEY, COULD BACK OUT OR BREAK. *PE Read More »

    ENGINE AND ENGINE COOLING:ENGINE:DIESEL

    • TSB #PIP-5088-C

      Date Announced:
      AUG 01, 2015
      NHTSA ID:
      #10059084

      GMC/CHEVROLET: TO ASSIST ENGINEERING PRODUCT FEEDBACK, PARTS FOR DURAMAX DIESEL ENGINE, HAS BEEN PLACED ON RESTRICTIONS, BY PRODUCT QUALITY CENTER (PQC). MODEL 2010-16 DURAMAX. *PE Read More »

    • TSB #SB-0000184692-A

      Date Announced:
      FEB 04, 2014
      NHTSA ID:
      #10061100

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #PIE-0253

      Date Announced:
      APR 01, 2013
      NHTSA ID:
      #10052205

      GENERAL MOTORS: SERVICE ENGINE SOON LIGHT ILLUMINATED ON DASH. THERE MAY ALSO BE INCREASED ENGINE NOISE, OR POSSIBLE HIGHER RPM SHIFTS, AND REDUCED A/C PERFORMANCE. *KB Read More »

    • TSB #PI-0845

      Date Announced:
      OCT 01, 2012
      NHTSA ID:
      #10047820

      GMC/CHEVROLET: THERE MAY BE AN ACCUMULATION OF DIESEL PARTICULATE FILTER SOOT LEVEL FOUND WHEN A DIAGNOSTIC SYSTEM CHECK IS PERFORMED AND MAY BE CAUSED BY ENGINE CONTROL MODULE (ECM) WITH A REDUCED ENGINE POWER MESSAGE. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #PI0699

      Date Announced:
      AUG 01, 2015
      NHTSA ID:
      #10043893

      GM: GAUGE FLUCTUATION, VARIOUS DTCS, AND THE WIRING HARNESS MAY BE CHAFING/RUBBING ON A/C LINE. *JS UPDATED 5/22/12. *JS UPDATED 2/5/16. *PE Read More »

    • TSB #PIP5108

      Date Announced:
      APR 12, 2013
      NHTSA ID:
      #10112966

      This Preliminary Information communication provides information to the technician about vehicles that have an audible engine whine noise at 1500-1800 revolutions per minute. Read More »

    • TSB #PIP4158E

      Date Announced:
      APR 05, 2013
      NHTSA ID:
      #10112958

      This Preliminary Information communication provides information to the technician about vehicles that have low oil pressure, no oil pressure, and/or engine noise. Technician will need to replace the oil pump, flush the oil cooler lines. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

    • TSB #08-04-19-004

      Date Announced:
      MAR 01, 2012
      NHTSA ID:
      #10026624

      GMC: CORRECT FRONT AXLE VENT HOSE ROUTING. THE FRONT AXLE VENT HOSE IS MOUNTED IN THE LEFT SIDE OF THE ENGINE COMPARTMENT, AND MAY NOT BE CORRECTLY ROUTED. *PE UPDATED ON 5/1/2012. *KB Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #PIP5085C

      Date Announced:
      SEP 15, 2014
      NHTSA ID:
      #10112228

      This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Read More »

    • TSB #PIP5085B

      Date Announced:
      AUG 18, 2014
      NHTSA ID:
      #10112170

      This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Read More »

    • TSB #PIP4864N

      Date Announced:
      AUG 15, 2014
      NHTSA ID:
      #10112169

      This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" ... Read More »

    • TSB #PIP5007D

      Date Announced:
      AUG 13, 2014
      NHTSA ID:
      #10112163

      This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Read More »

    • TSB #PIP4864M

      Date Announced:
      SEP 16, 2013
      NHTSA ID:
      #10113248

      This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" ... Read More »

    • TSB #06-00-89-026L

      Date Announced:
      AUG 26, 2013
      NHTSA ID:
      #10113502

      This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND. Read More »

    • TSB #PIP3119L

      Date Announced:
      JUN 24, 2013
      NHTSA ID:
      #10113059

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »

    • TSB #PIP5110A

      Date Announced:
      APR 22, 2013
      NHTSA ID:
      #10112995

      This Preliminary Information communication provides information to the technician of additional information while diagnosing a diagnostic trouble code P0420. Read More »

    • TSB #PIP5110

      Date Announced:
      APR 16, 2013
      NHTSA ID:
      #10112974

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P0420. Read More »

    • TSB #PIP5104

      Date Announced:
      APR 04, 2013
      NHTSA ID:
      #10112955

      This Preliminary Information communication provides information to the technician about vehicles that may have a cold engine tick noise for 50 seconds at start up. Read More »

    • TSB #PIP5007B

      Date Announced:
      JAN 22, 2013
      NHTSA ID:
      #10112734

      This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Read More »

    • TSB #PIP5082

      Date Announced:
      JAN 16, 2013
      NHTSA ID:
      #10112723

      This Preliminary Information communication provides information to the technician about vehicles that the scan tool reading showing varying diesel particulate filter soot mass readings on a 2012 Silverado or Sierra. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

    • TSB #SB-080604003-C

      Date Announced:
      SEP 01, 2014
      NHTSA ID:
      #10056354

      GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER. MODEL 2002-15 SILVERADO, SIERRA, 2004-09 KODIAK C4500-C5500, TOPKICK C4500-C5500, 2006-15 EXPRESS, SAVANA. Read More »

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

    • TSB #PIP3119M

      Date Announced:
      MAY 14, 2014
      NHTSA ID:
      #10112069

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »

    • TSB #PIP3119L

      Date Announced:
      JUN 24, 2013
      NHTSA ID:
      #10113059

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #04-06-04-047M

      Date Announced:
      OCT 06, 2014
      NHTSA ID:
      #10114281

      This informational bulletin states that it no longer valid and refers to a new bulletin. Read More »

    • TSB #PIP5085B

      Date Announced:
      AUG 18, 2014
      NHTSA ID:
      #10112170

      This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Read More »

    • TSB #PIP4942B

      Date Announced:
      JUL 08, 2014
      NHTSA ID:
      #10112103

      This Preliminary Information communication provides information to the technician about vehicles that may have a fuel leak or fuel odor. Technician may find Diagnostic Trouble Codes. Read More »

    • TSB #PIP5151A

      Date Announced:
      NOV 18, 2013
      NHTSA ID:
      #10112361

      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 #PIP4568P

      Date Announced:
      OCT 30, 2013
      NHTSA ID:
      #10112436

      This Preliminary Information communication provides information to the technician that some vehicles may have a Service Engine Soon lamp, engine misfire on cylinder 1, 4, 6, or 7 and/or tick noise. Read More »

    • TSB #PIT4979C

      Date Announced:
      NOV 21, 2012
      NHTSA ID:
      #10112597

      This Preliminary Information communication provides information to the technician about vehicles that have a buzz or rattle type noise during light acceleration around 1200-2000 Revolutions per minute. Read More »

    FUEL SYSTEM, GASOLINE:STORAGE

    • TSB #PIT5161E

      Date Announced:
      FEB 08, 2017
      NHTSA ID:
      #10113404

      This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »

    FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

    • TSB #PIT5208A

      Date Announced:
      JAN 23, 2014
      NHTSA ID:
      #10112023

      This Preliminary Information communication provides information to the technician about vehicles that after refueling the fuel gauge will show empty. Technician may find Diagnostic Trouble Code P2636 has set. Read More »

    • TSB #PIT5161A

      Date Announced:
      NOV 14, 2012
      NHTSA ID:
      #10112571

      This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »

    FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

    • TSB #PIP4942B

      Date Announced:
      JUL 08, 2014
      NHTSA ID:
      #10112103

      This Preliminary Information communication provides information to the technician about vehicles that may have a fuel leak or fuel odor. Technician may find Diagnostic Trouble Codes. Read More »

    • TSB #SB-0000191735-A

      Date Announced:
      MAY 12, 2014
      NHTSA ID:
      #10061203

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #SB-13420-A

      Date Announced:
      DEC 11, 2013
      NHTSA ID:
      #10060090

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #PIP-4942

      Date Announced:
      MAR 01, 2012
      NHTSA ID:
      #10041435

      CHEVROLET/GMC: AT HIGH PRESSURE PUMP TO HIGH PRESSURE FUEL LINES THERE ARE SIGNS OF FUEL LEAKAGE AND/OR FUEL ODOR. *PE UPDATED ON 5/2/2012. *KB Read More »

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

    • TSB #PIP-4942

      Date Announced:
      MAR 01, 2012
      NHTSA ID:
      #10041435

      CHEVROLET/GMC: AT HIGH PRESSURE PUMP TO HIGH PRESSURE FUEL LINES THERE ARE SIGNS OF FUEL LEAKAGE AND/OR FUEL ODOR. *PE UPDATED ON 5/2/2012. *KB Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #04-06-04-051D

      Date Announced:
      FEB 20, 2015
      NHTSA ID:
      #10113566

      This informational bulletin provides information for maintenance cleaning of the fuel injectors. Read More »

    • TSB #PIP5085C

      Date Announced:
      SEP 15, 2014
      NHTSA ID:
      #10112228

      This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Read More »

    • TSB #PIP-4949-B

      Date Announced:
      AUG 01, 2014
      NHTSA ID:
      #10044240

      GM: DURAMAX DIESEL HARD START, NO START, OR DTC P0087 INJECTION PUMP REPLACEMENT. NORMAL SI DIAGNOSTICS MAY BE INCONCLUSIVE OR LEAD TO A FUEL INJECTION PUMP REPLACEMENT. *JS UPDATED 11/12/14. Read More »

    • TSB #PIP5085

      Date Announced:
      JAN 22, 2013
      NHTSA ID:
      #10112733

      This Preliminary Information communication provides information to the technician that engineering is asking for additional information if SI diagnosis leads to replacement of the Indirect Fuel Injector for a P0420 Diagnostic Trouble Code. Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

    • TSB #PIP4942B

      Date Announced:
      JUL 08, 2014
      NHTSA ID:
      #10112103

      This Preliminary Information communication provides information to the technician about vehicles that may have a fuel leak or fuel odor. Technician may find Diagnostic Trouble Codes. Read More »

    • TSB #PIP-4942-B

      Date Announced:
      JUL 01, 2014
      NHTSA ID:
      #10056258

      GMC/CHEVROLET: AT BOTTOM OF FLYWHEEL HOUSING, A LEAK IS FOUND, CAUSING A FUEL ODOR, DUE TO HIGH PRESSURE PUMP TO HIGH PRESSURE LINE FITTING OR FUEL RAIL CONNECTION. 2010-2015 EXPRESS, SIERRA, SAVANA, SILVERADO. Read More »

    FUEL SYSTEM, DIESEL

    • TSB #PIP5204C

      Date Announced:
      SEP 29, 2014
      NHTSA ID:
      #10112258

      This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General ... Read More »

    • TSB #PIP5204B

      Date Announced:
      SEP 29, 2014
      NHTSA ID:
      #10112259

      This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General ... Read More »

    • TSB #PIP5204A

      Date Announced:
      SEP 09, 2014
      NHTSA ID:
      #10112215

      This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General ... Read More »

    • TSB #PIP4864N

      Date Announced:
      AUG 15, 2014
      NHTSA ID:
      #10112169

      This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" ... Read More »

    • TSB #PIP4864M

      Date Announced:
      SEP 16, 2013
      NHTSA ID:
      #10113248

      This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" ... Read More »

    • TSB #PIP5088

      Date Announced:
      JAN 29, 2013
      NHTSA ID:
      #10112744

      This Preliminary Information communication advises the technician that 2013 6.6L Duramax Diesel Engine Regular Production Option Code (LGH and LML) part number 12638502 will be placed on a parts restriction through the General Motors ... Read More »

    • TSB #PIP5082

      Date Announced:
      JAN 16, 2013
      NHTSA ID:
      #10112723

      This Preliminary Information communication provides information to the technician about vehicles that the scan tool reading showing varying diesel particulate filter soot mass readings on a 2012 Silverado or Sierra. Read More »

    FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

    FUEL SYSTEM, OTHER

    • TSB #05-06-04-035E

      Date Announced:
      MAY 27, 2015
      NHTSA ID:
      #10113662

      This informational bulletin provides dealership personnel with information on flexible fuel vehicles (FFVs) and the usage of E85 fuel in GM vehicles. Read More »

    FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

    • TSB #PI0699

      Date Announced:
      AUG 01, 2015
      NHTSA ID:
      #10043893

      GM: GAUGE FLUCTUATION, VARIOUS DTCS, AND THE WIRING HARNESS MAY BE CHAFING/RUBBING ON A/C LINE. *JS UPDATED 5/22/12. *JS UPDATED 2/5/16. *PE Read More »

    • TSB #PIT5208A

      Date Announced:
      JAN 23, 2014
      NHTSA ID:
      #10112023

      This Preliminary Information communication provides information to the technician about vehicles that after refueling the fuel gauge will show empty. Technician may find Diagnostic Trouble Code P2636 has set. Read More »

    FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

    • TSB #PIP-4942-B

      Date Announced:
      JUL 01, 2014
      NHTSA ID:
      #10056258

      GMC/CHEVROLET: AT BOTTOM OF FLYWHEEL HOUSING, A LEAK IS FOUND, CAUSING A FUEL ODOR, DUE TO HIGH PRESSURE PUMP TO HIGH PRESSURE LINE FITTING OR FUEL RAIL CONNECTION. 2010-2015 EXPRESS, SIERRA, SAVANA, SILVERADO. Read More »

    • TSB #SB-00001922095-A

      Date Announced:
      MAY 16, 2014
      NHTSA ID:
      #10061218

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #SB-0000191735-A

      Date Announced:
      MAY 12, 2014
      NHTSA ID:
      #10061203

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #SB-13420-A

      Date Announced:
      DEC 11, 2013
      NHTSA ID:
      #10060090

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

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

    • TSB #PIP-4942-B

      Date Announced:
      JUL 01, 2014
      NHTSA ID:
      #10056258

      GMC/CHEVROLET: AT BOTTOM OF FLYWHEEL HOUSING, A LEAK IS FOUND, CAUSING A FUEL ODOR, DUE TO HIGH PRESSURE PUMP TO HIGH PRESSURE LINE FITTING OR FUEL RAIL CONNECTION. 2010-2015 EXPRESS, SIERRA, SAVANA, SILVERADO. Read More »

    • TSB #PIT4979C

      Date Announced:
      NOV 21, 2012
      NHTSA ID:
      #10112597

      This Preliminary Information communication provides information to the technician about vehicles that have a buzz or rattle type noise during light acceleration around 1200-2000 Revolutions per minute. Read More »

    POWER TRAIN

    • TSB #PIT5442

      Date Announced:
      JUL 09, 2015
      NHTSA ID:
      #10114597

      This Preliminary Information communication provides information to the technician of an engine power reduced message on the driver information center after performing the Canada Onstar? 4G upgrade. Read More »

    • TSB #PIP4793H

      Date Announced:
      DEC 11, 2013
      NHTSA ID:
      #10112316

      This Preliminary Information communication advises the technician that the valve body for the Allison A1000 Transmission has been placed on restriction through the General Motors Product Quality Center to assist Engineering with product ... Read More »

    • TSB #PIP4560R

      Date Announced:
      OCT 16, 2013
      NHTSA ID:
      #10112411

      This Preliminary Information communication advises the technician that the Allison Transmission Control Module Part Number 24256861 has been removed from the General Motors Product Quality Center parts restriction. Read More »

    • TSB #PIP5012D

      Date Announced:
      SEP 11, 2013
      NHTSA ID:
      #10113238

      This Preliminary Information communication provides information to the technician about vehicles that have a clunk noise or a harsh 6-5 downshift while driving at 50 to 70 miles per hour. Read More »

    • TSB #PI-0531-B

      Date Announced:
      JUL 01, 2013
      NHTSA ID:
      #10053223

      GM: SOME VEHICLES MAY DISPLAY ON THE DRIVER INFORMATION CENTER (DIC) "TRANSMISSION HOT- IDLE ENGINE". DTC U0101 MAY BE SET. MIL MAY BE ILLUMINATED. *JS Read More »

    • TSB #PIP5100

      Date Announced:
      MAR 14, 2013
      NHTSA ID:
      #10112901

      This Preliminary Information communication provides information to the technician about vehicles that will not move in forward or reverse. Read More »

    • TSB #PIP5065C

      Date Announced:
      JAN 14, 2013
      NHTSA ID:
      #10112716

      This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Read More »

    • TSB #PIP4138L

      Date Announced:
      DEC 27, 2012
      NHTSA ID:
      #10112697

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Read More »

    • TSB #PIP5065B

      Date Announced:
      DEC 10, 2012
      NHTSA ID:
      #10112635

      This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Read More »

    • TSB #PIP5071

      Date Announced:
      OCT 23, 2012
      NHTSA ID:
      #10112515

      This Preliminary Information communication provides information to the technician about vehicle that has a squawk or grunt type noise when shifting from 2nd to 3rd gear. Read More »

    • TSB #PIP5068

      Date Announced:
      OCT 15, 2012
      NHTSA ID:
      #10112477

      This Preliminary Information communication provides information to the technician abut vehicles that have a knock noise or vibration from the engine or transmission. Technician will need to inspect the flex plate. Read More »

    • TSB #PIP4885F

      Date Announced:
      OCT 11, 2012
      NHTSA ID:
      #10112463

      This Preliminary Information communication provides information to the technician about vehicles that have a groan, growl, or moan coming from the vehicle when operating the vehicle in four wheel drive. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #PI1343B

      Date Announced:
      JAN 26, 2016
      NHTSA ID:
      #10112292

      This preliminary informational bulletin provides a procedure to reset the transmission adapts and test drive in additon to a transmission control module reprogram to correct a harsh or tie up feeling from 6-4 ... Read More »

    • TSB #PI1344B

      Date Announced:
      NOV 06, 2015
      NHTSA ID:
      #10075716

      Some customers may comment that the vehicle has reduced acceleration at low speed and/or transmission is slipping from a launch. Technicians may find DTC P0751 set or stored in history. Read More »

    • TSB #SC-15111

      Date Announced:
      JUN 01, 2015
      NHTSA ID:
      #10058756

      GMC/CHEVROLET: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. WHEN SHIFTING FROM FIRST GEAR TO SECOND GEAR, HARSH SHIFTING IS EXPERIENCE AND MALFUNCTION INDICATOR LAMP (MIL) WILL ILLUMINATE. Read More »

    • TSB #PIT-5206

      Date Announced:
      JUL 01, 2014
      NHTSA ID:
      #10052066

      GENERAL MOTORS: OWNERS MAY COMPLAIN ABOUT UNWANTED BRAKING, OR REDUCED ENGINE POWER. THERE MAY ALSO BE SOME UP AND DOWN SHIFTS WITH THE TRANSMISSION. *KB UPDATED 10/15/14. *PE UPDATED 11/12/14. Read More »

    • TSB #PIP4833E

      Date Announced:
      MAY 21, 2014
      NHTSA ID:
      #10112079

      This Preliminary Information communication advises the technician that the Auxiliary Transmission Fluid Pump Control Module and Auxiliary Transmission Fluid Pump placed on parts restriction by General Motors Technical Assistance Center. Read More »

    • TSB #PIP4600D

      Date Announced:
      MAY 07, 2014
      NHTSA ID:
      #10112060

      This Preliminary Information communication advises the technician that the 2ML70 Transmission Assembly will be placed on restriction through the General Motors Technical Assistance Center. Read More »

    • TSB #PB-14043

      Date Announced:
      MAR 01, 2014
      NHTSA ID:
      #10055497

      CHEVROLET/GMC: AT TIME OF PRODUCTION, SOME VEHICLES WERE MANUFACTURED WITH AN INCORRECT TRANSMISSION THRUST BEARING, THAT CAN RESULT IN NOISE AND POOR OPERATION OF TRANSMISSION. MODEL 2012 SILVERADO HD, SIERRA HD. Read More »

    • TSB #PIP4793H

      Date Announced:
      DEC 11, 2013
      NHTSA ID:
      #10112316

      This Preliminary Information communication advises the technician that the valve body for the Allison A1000 Transmission has been placed on restriction through the General Motors Product Quality Center to assist Engineering with product ... Read More »

    • TSB #PI-0310

      Date Announced:
      NOV 01, 2013
      NHTSA ID:
      #10037409

      GM: THERE ARE TRANSMISSION PROBLEMS THAT INCLUDE TROUBLE SHIFTING AND NOISES. THERE MAY BE SERPENTINE BELT PROBLEMS CAUSING IT. *RM UPDATED ON 06/27/2011. *KB UPDATED 3/12/12. *PE UPDATED 1/2/14. Read More »

    • TSB #PIP4379K

      Date Announced:
      OCT 09, 2013
      NHTSA ID:
      #10112401

      This Preliminary Information communication provides information to the technician about vehicles that have not engagement into drive, delayed, no engagement into reverse, and or a range inhibit. Read More »

    • TSB #PIP5100A

      Date Announced:
      OCT 04, 2013
      NHTSA ID:
      #10112391

      This Preliminary Information communication provides information to the technician about vehicles that will not move in forward or reverse. Read More »

    • TSB #PIP5068A

      Date Announced:
      JUN 28, 2013
      NHTSA ID:
      #10113069

      This Preliminary Information communication provides information to the technician abut vehicles that have a knock noise or vibration from the engine or transmission. Technician will need to inspect the flex plate. Read More »

    • TSB #PIP5021B

      Date Announced:
      JUN 27, 2013
      NHTSA ID:
      #10113066

      This Preliminary Information communication advises the technician that the Allison 6 Speed Automatic Transmission Assembly will be placed on a parts restriction through the General Motors Product Quality Center. Read More »

    • TSB #PIP5012C

      Date Announced:
      APR 22, 2013
      NHTSA ID:
      #10112994

      This Preliminary Information communication provides information to the technician about vehicles that have a clunk noise or a harsh 6-5 downshift while driving at 50 to 70 miles per hour. Read More »

    • TSB #PIP4600C

      Date Announced:
      DEC 18, 2012
      NHTSA ID:
      #10112688

      This Preliminary Information communication advises the technician that 2ML70 Transmission Assembly will be placed on a parts restriction through the General Motors Technical Assistance Center. Read More »

    • TSB #PIT4505F

      Date Announced:
      NOV 27, 2012
      NHTSA ID:
      #10112603

      This Preliminary Information communication provides information to the technician about vehicles that have a rattle, buzz, tick, or vibration type noise that appears to be coming from the center of the dash. Read More »

    • TSB #PIP5071

      Date Announced:
      OCT 23, 2012
      NHTSA ID:
      #10112515

      This Preliminary Information communication provides information to the technician about vehicle that has a squawk or grunt type noise when shifting from 2nd to 3rd gear. Read More »

    • TSB #PIP5009F

      Date Announced:
      OCT 12, 2012
      NHTSA ID:
      #10112469

      This Preliminary Information communication provides information to the technician about vehicles that the Malfunction Indicator Lamp is illuminated and the vehicle has a harsh 1-2 shift. Read More »

    • TSB #PIP5065A

      Date Announced:
      OCT 09, 2012
      NHTSA ID:
      #10112457

      This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Read More »

    • TSB #PIP5065

      Date Announced:
      OCT 04, 2012
      NHTSA ID:
      #10112447

      This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Read More »

    • TSB #PI-0773

      Date Announced:
      JUL 01, 2012
      NHTSA ID:
      #10055803

      CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC: THERE IS SLIPPING OR HAVE NO FOURTH, FIFTH OR SIXTH GEAR AND MALFUNCTION INDICATOR LAMP (MIL) WOULD BE ON, WITH DIAGNOSTIC TROUBLE CODE (DTC) P0796 FOUND AS ACTIVE. Read More »

    • TSB #PIP-5031

      Date Announced:
      JUN 01, 2012
      NHTSA ID:
      #10045063

      GMC/CHEVROLET: SOME TRUCKS, EQUIPPED WITH AUTOMATIC TRANSMISSION 4L60E, MAY EXPERIENCE SLIPPING, MISSED OR LATE SHIFTS IN 3RD AND 4TH GEARS DUE TO POSSIBLE 3-4 CLUTCH DISTRESS. *PE Read More »

    • TSB #PI0522B

      Date Announced:
      MAR 01, 2012
      NHTSA ID:
      #10044233

      GM: TICK OR RATTLE NOISE FROM FRONT OF DASH, TRANSMISSION FILLER TUBE CRACKED OR BROKEN (INSPECT FILLER TUBE, REPLACE TUBE AS NECESSARY). *JS UPDATED 05/3/2013 *JS Read More »

    • TSB #PIP-3366-B

      Date Announced:
      NOV 01, 2011
      NHTSA ID:
      #10043185

      CADILLAC/CHEVROLET/GMC/HUMMER: SOME SUVS AND TRUCKS ARE EXHIBITING A CONDITION WHERE BY GRINDING/RATCHETING TYPE NOISE COMING FROM AUTOMATIC TRANSMISSION WHEN SHIFTING INTO PARK WHILE IN 4WD LOW (4LO) RANGE. Read More »

    • TSB #PI-0041D

      Date Announced:
      OCT 01, 2011
      NHTSA ID:
      #10042286

      CADILLAC/CHEVROLET/GMC: CERTAIN MODEL VEHICLES MY 2010-2012, THE TRANSMISSION HAS DEVELOPED A LEAK IN THE REAR. *PE Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

    • TSB #PI1343B

      Date Announced:
      JAN 26, 2016
      NHTSA ID:
      #10112292

      This preliminary informational bulletin provides a procedure to reset the transmission adapts and test drive in additon to a transmission control module reprogram to correct a harsh or tie up feeling from 6-4 ... Read More »

    • TSB #PIT5206C

      Date Announced:
      JUL 25, 2014
      NHTSA ID:
      #10112129

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »

    • TSB #PIT5206B

      Date Announced:
      MAY 06, 2014
      NHTSA ID:
      #10112055

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ... Read More »

    • TSB #PIT5206A

      Date Announced:
      NOV 14, 2013
      NHTSA ID:
      #10112356

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages " ... Read More »

    • TSB #PIP4560R

      Date Announced:
      OCT 16, 2013
      NHTSA ID:
      #10112411

      This Preliminary Information communication advises the technician that the Allison Transmission Control Module Part Number 24256861 has been removed from the General Motors Product Quality Center parts restriction. Read More »

    • TSB #PIP4560P

      Date Announced:
      JUN 27, 2013
      NHTSA ID:
      #10113064

      This Preliminary Information communication advises the technician that the Allison Transmission Control Module will be placed on a parts restriction through the General Motors Technical Assistance Center. Read More »

    • TSB #PI-0488

      Date Announced:
      MAY 01, 2013
      NHTSA ID:
      #10039489

      GM: THE TRANSMISSION IS SLIPPING OR HAS NO FORWARD/REVERSE MOVEMENT. *RM UPDATED 4/16/12. *PE UPDATED 6/18/12. *PE UPDATED ON 7/09/2013. *KB Read More »

    • TSB #PIP5012C

      Date Announced:
      APR 22, 2013
      NHTSA ID:
      #10112994

      This Preliminary Information communication provides information to the technician about vehicles that have a clunk noise or a harsh 6-5 downshift while driving at 50 to 70 miles per hour. Read More »

    • TSB #PIP5009F

      Date Announced:
      OCT 12, 2012
      NHTSA ID:
      #10112469

      This Preliminary Information communication provides information to the technician about vehicles that the Malfunction Indicator Lamp is illuminated and the vehicle has a harsh 1-2 shift. Read More »

    • TSB #PIP-5009-D

      Date Announced:
      MAY 01, 2012
      NHTSA ID:
      #10044391

      GMC/CHEVROLET: MALFUNCTION INDICATOR LAMP (MIL) IS ILLUMINATED AND HAS A HARSH SHIFT 1-2. THE TCC ENABLE SOLENOID AND WIRE HARNESS SHOULD BE REPLACED WHEN REPAIRS ARE PERFORMED ON TRANSMISSION. Read More »

    • TSB #08-07-30-021G

      Date Announced:
      MAR 01, 2012
      NHTSA ID:
      #10043829

      GM: LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IP GAGE FLUCTUATION, INTERMITTENT DOOR LOOK CYCLING, INTERMITTENT CHIME OPERATION, VARIOUS IP WARNING LAMPS ILLUMINATED, TRANSMISSION MAY NOT SHIFT, COMMUNICATION DTCS ... Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

    • TSB #PIP4379K

      Date Announced:
      OCT 09, 2013
      NHTSA ID:
      #10112401

      This Preliminary Information communication provides information to the technician about vehicles that have not engagement into drive, delayed, no engagement into reverse, and or a range inhibit. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

    • TSB #PIP4681D

      Date Announced:
      OCT 31, 2013
      NHTSA ID:
      #10112437

      This Preliminary Information communication provides information to the technician about vehicles that have a random bump, chuggle, or fishbite sensation when crowding the throttle slightly with the Torque Converter Clutch on while ... Read More »

    • TSB #PIP5009G

      Date Announced:
      NOV 13, 2012
      NHTSA ID:
      #10112566

      This Preliminary Information communication provides information to the technician about vehicles that the Malfunction Indicator Lamp is illuminated and the vehicle has a harsh 1-2 shift. Read More »

    • TSB #PIP5009F

      Date Announced:
      OCT 12, 2012
      NHTSA ID:
      #10112469

      This Preliminary Information communication provides information to the technician about vehicles that the Malfunction Indicator Lamp is illuminated and the vehicle has a harsh 1-2 shift. Read More »

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #PIP4885F

      Date Announced:
      OCT 11, 2012
      NHTSA ID:
      #10112463

      This Preliminary Information communication provides information to the technician about vehicles that have a groan, growl, or moan coming from the vehicle when operating the vehicle in four wheel drive. Read More »

    • TSB #PIE-0225-B

      Date Announced:
      OCT 01, 2012
      NHTSA ID:
      #10047919

      CHEVROLET/GMC: THE 4WD FAILS TO ENGAGE WHEN SERVICE 4WD INDICATOR ILLUMINATES AND TRANSFER CASE CONTROL MODULE (TCCM) REPORTS POSSIBLE C0379 SET. MODELS 2012-2013 AVALANCHE, SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON, YUKON XL. Read More »

    POWER TRAIN:AXLE ASSEMBLY

    • TSB #06-00-89-026L

      Date Announced:
      AUG 26, 2013
      NHTSA ID:
      #10113502

      This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND. Read More »

    • TSB #PIP5087

      Date Announced:
      JAN 25, 2013
      NHTSA ID:
      #10112740

      This Preliminary Information communication provides information to the technician about vehicles that may have a service 4WD message displayed in the Driver Information Center. Technician may find Diagnostic Trouble Code C0379. Read More »

    ELECTRICAL SYSTEM

    • TSB #PIT-5338-A

      Date Announced:
      APR 04, 2016
      NHTSA ID:
      #10078601

      THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE PART RESTRICTION FOR THE ACCESSORY DC POWER CONTROL MODULE AND THE SEAL KIT HAS ENDED. Read More »

    • TSB #07-06-04-019E

      Date Announced:
      JUN 23, 2015
      NHTSA ID:
      #10113703

      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 #PIC4310L

      Date Announced:
      APR 17, 2015
      NHTSA ID:
      #10114470

      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 #PIT4813E

      Date Announced:
      MAY 29, 2014
      NHTSA ID:
      #10112093

      This Preliminary Information communication provides information to the technician about vehicles with a "Service Charging System" message displayed on the Driver Information Center and/or a low voltage reading on the volt gauge during the ... Read More »

    • TSB #PIT4821D

      Date Announced:
      MAY 20, 2014
      NHTSA ID:
      #10112078

      This Preliminary Information communication advises the technician that the 2-Mode Drive Motor Generator Battery placed on parts restriction by General Motors Technical Assistance Center. Read More »

    • TSB #PI-1235

      Date Announced:
      MAY 01, 2014
      NHTSA ID:
      #10056237

      GENERAL MOTORS: DUE TO LOOSE GROUND TERMINAL CONNECTIONS, IN SOME VEHICLES AND TRUCKS EXPERIENCE, ACCESSORIES MALFUNCTIONS, DIC MESSAGES, IPC WARNING INDICATORS, SES LIGHT ON. *PE Read More »

    • TSB #PIT4474E

      Date Announced:
      JAN 28, 2014
      NHTSA ID:
      #10112033

      This Preliminary Information communication provides information to the technician about vehicles that have navigation or radio screen is blank or flashes on and off, no sound from speakers, and rear DVD screen inoperative. Read More »

    • TSB #PIT5184A

      Date Announced:
      NOV 25, 2013
      NHTSA ID:
      #10112368

      This Preliminary Information communication provides information to the technician about vehicles that have an instrument panel backlighting flashes, flickers or inoperative, unwanted horn activation, radio controls inoperative or unwanted ... Read More »

    • TSB #PIT4376G

      Date Announced:
      NOV 11, 2013
      NHTSA ID:
      #10112346

      This Preliminary Information communication advises the technician about key and theft information for Fleet Vehicles equipped with RPO 6E2 or 6E8 and converting to fleet mode. Read More »

    • TSB #PIT3189R

      Date Announced:
      OCT 25, 2013
      NHTSA ID:
      #10112428

      This Preliminary Information communication provides information to the technician about customers that are unable to override the automatic door locking feature. Technician will update the Body Control Module on 2006 to 2007 model years. Read More »

    • TSB #PIT4816E

      Date Announced:
      OCT 16, 2013
      NHTSA ID:
      #10112413

      This Preliminary Information communication provides information to the technician about vehicles that have multiple electrical concerns and or intermittent no crank. Read More »

    • TSB #PIP4686D

      Date Announced:
      OCT 15, 2013
      NHTSA ID:
      #10112406

      This Preliminary Information communication provides information to the technician about vehicles that have various 2-Mode Hybrid issues. Read More »

    • TSB #PIT5236

      Date Announced:
      OCT 03, 2013
      NHTSA ID:
      #10112387

      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 #PIT4844E

      Date Announced:
      OCT 02, 2013
      NHTSA ID:
      #10112384

      This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Read More »

    • TSB #PIP5012D

      Date Announced:
      SEP 11, 2013
      NHTSA ID:
      #10113238

      This Preliminary Information communication provides information to the technician about vehicles that have a clunk noise or a harsh 6-5 downshift while driving at 50 to 70 miles per hour. Read More »

    • TSB #06-00-89-026L

      Date Announced:
      AUG 26, 2013
      NHTSA ID:
      #10113502

      This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND. Read More »

    • TSB #SB12-08-132-001A

      Date Announced:
      APR 01, 2013
      NHTSA ID:
      #10052297

      GENERAL MOTORS: ON SOME TRUCKS AND PASSENGER VEHICLES, ACCESSORY POWER OUTLETS (APO) AND TRAILER LIGHTING ARE COMMON ACCESSED ELECTRICAL SYSTEMS THAT ARE AFFECTED BY DEVICES THAT ARE PLUGGED IN AND BECOME INOPERATIVE DUE TO AN OPEN FUSE ... Read More »

    • TSB #PIC5492A

      Date Announced:
      DEC 14, 2012
      NHTSA ID:
      #10112677

      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 #PIT5019A

      Date Announced:
      NOV 30, 2012
      NHTSA ID:
      #10112618

      This Preliminary Information communication provides information to the technician about vehicles that have the front seats will not cool when using remote vehicle start. Read More »

    • TSB #PIT4593D

      Date Announced:
      NOV 15, 2012
      NHTSA ID:
      #10112578

      This Preliminary Information communication provides information to the technician about vehicles that have a lack of brake assist after disconnecting the battery or after the 12 volts battery has run low on voltage. Read More »

    • TSB #PIT4815C

      Date Announced:
      NOV 08, 2012
      NHTSA ID:
      #10112558

      This Preliminary Information communication provides information to the technician with additional vehicle speed sensor diagnostic information. Technician may encounter multiple issues when diagnosing a Vehicle Speed Sensor. Read More »

    • TSB #PIP5069

      Date Announced:
      OCT 17, 2012
      NHTSA ID:
      #10112487

      This Preliminary Information communication provides information to the technician about vehicles that have a lack of power on initial acceleration from a stop when the ambient temperature is approximately 103 Fahrenheit or greater and may ... Read More »

    • TSB #PIT5185

      Date Announced:
      OCT 15, 2012
      NHTSA ID:
      #10112472

      This Preliminary Information communication provides information to the technician about vehicles that if the ignition key is turned to the start position, and then released when the engine begins cranking, the engine will continue ... Read More »

    • TSB #PIT5184

      Date Announced:
      OCT 12, 2012
      NHTSA ID:
      #10112470

      This Preliminary Information communication provides information to the technician about vehicles that have an instrument panel backlighting flashes, flickers or inoperative, unwanted horn activation, radio controls inoperative or unwanted ... Read More »

    • TSB #PIT4508C

      Date Announced:
      OCT 05, 2012
      NHTSA ID:
      #10112452

      This Preliminary Information communication provides information to the technician about vehicles that the cruise control being inoperative. Technician may find Diagnostic Trouble Code B3894 set in the Trailer Brake Control Module. Read More »

    • TSB #PIT-5184

      Date Announced:
      OCT 01, 2012
      NHTSA ID:
      #10047839

      CADILLAC/CHEVROLET/GMC: WILL HAVE INOPERATIVE CRUISE CONTROL; INOPERATIVE OR UNWANTED ACTIVATION OF RADIO CONTROLS; BACKLIGHTING FLASHES, FLICKERS OR INOPERATIVE DUE TO POSSIBLE SHORT TO GROUND ON STEERING WHEEL COIL CONNECTOR X2. Read More »

    • TSB #SB-12188

      Date Announced:
      AUG 01, 2012
      NHTSA ID:
      #10045899

      CHEVROLET/GMC: STARTER MOTOR, ON CERTAIN SUVS, MAY WEAR THRU, AFTER CONTACT, WIRING INSULATION, WHICH CAUSES CIRCUIT CONDITION TO SHORT OUT. STARTER MOTOR BECOMES INOPERATIVE. MODELS 2013 CHEVROLET AVALANCHE, SILVERADO AND GMC SIERRA. Read More »

    • TSB #PIT5074F

      Date Announced:
      MAY 01, 2012
      NHTSA ID:
      #10044242

      GM: J-35616-64B TERMINAL TEST PROBE AND REPLACEMENT TERMINAL. ALSO INCLUDED MODELS VERANO, REGAL, LACROSSE, CTS, SRX, VOLT, SONIC, MALIBU, IMPALA, EQUINOX, CRUZE, AVALANCHE, TAHOE SUBURBAN, SILVERADO, SIERRA, YUKON, AND TERRAIN FOR ... Read More »

    • TSB #SB-12019

      Date Announced:
      FEB 01, 2012
      NHTSA ID:
      #10043904

      SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES. RADIO DISPLAY MAY BE INOPERATIVE OR FLICKER - EXPIRES WITH BASE WARRANTY. *KB Read More »

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #PIT4597E

      Date Announced:
      MAR 01, 2016
      NHTSA ID:
      #10113887

      This Preliminary Information communication provides the technician with the additional steps that are needed to help perform a successful brake bleed on the 2-Mode Hybrid with Regular Production Option Code HP2. Read More »

    • TSB #PI1098A

      Date Announced:
      OCT 13, 2014
      NHTSA ID:
      #10114292

      This preliminary bulletin provides a procedure on how to cold crank test a battery in a vehicle. Read More »

    • TSB #PI-1280

      Date Announced:
      JUL 01, 2014
      NHTSA ID:
      #10056241

      CADILLAC/CHEVROLET/GMC: LOSS OF PROPULSION, WHEN SPEED IS LESS THAN 5 KM/H (3MPH), SERVICE HYBRID SYSTEM IS DISPLAYED IN DRIVER INFORMATION CENTER (DIC) AND MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATES. Read More »

    • TSB #PIT4821D

      Date Announced:
      MAY 20, 2014
      NHTSA ID:
      #10112078

      This Preliminary Information communication advises the technician that the 2-Mode Drive Motor Generator Battery placed on parts restriction by General Motors Technical Assistance Center. Read More »

    • TSB #PIT-4821-C

      Date Announced:
      MAR 01, 2013
      NHTSA ID:
      #10052064

      GENERAL MOTORS: HYBRID BATTERY PARTS RESTRICTION FOR HIGH VOLTAGE 2-MODE BATTERY PARTS. *KB Read More »

    • TSB #PIT4585E

      Date Announced:
      NOV 16, 2012
      NHTSA ID:
      #10112581

      This Preliminary Information communication provides information to the technician about vehicles that may have a no crank condition after the vehicle has had very low accessory battery voltage or a dead battery condition. Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #13-00-89-008A

      Date Announced:
      MAR 16, 2015
      NHTSA ID:
      #10113752

      This informational bulletin communicates GM wiring repair strategy information. Read More »

    • TSB #PIT5059B

      Date Announced:
      SEP 23, 2014
      NHTSA ID:
      #10112247

      This Preliminary Information communication provides information to the technician about the roof beacon switch. The roof beacon switch will be left disconnected from the assembly plant. Read More »

    • TSB #PIT5184A

      Date Announced:
      NOV 25, 2013
      NHTSA ID:
      #10112368

      This Preliminary Information communication provides information to the technician about vehicles that have an instrument panel backlighting flashes, flickers or inoperative, unwanted horn activation, radio controls inoperative or unwanted ... Read More »

    • TSB #PIP5009G

      Date Announced:
      NOV 13, 2012
      NHTSA ID:
      #10112566

      This Preliminary Information communication provides information to the technician about vehicles that the Malfunction Indicator Lamp is illuminated and the vehicle has a harsh 1-2 shift. Read More »

    • TSB #PIT4844D

      Date Announced:
      NOV 02, 2012
      NHTSA ID:
      #10112535

      This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Read More »

    • TSB #PIT5184

      Date Announced:
      OCT 12, 2012
      NHTSA ID:
      #10112470

      This Preliminary Information communication provides information to the technician about vehicles that have an instrument panel backlighting flashes, flickers or inoperative, unwanted horn activation, radio controls inoperative or unwanted ... Read More »

    • TSB #PI-0759

      Date Announced:
      JUL 01, 2012
      NHTSA ID:
      #10045519

      GM-EXPRESS/SILVERADO/SAVANA/SIERRA: DUE TO POOR CONNECTIONS AND INTERMITTENT CONDITION OF MAP SENSOR CONNECTOR WIRING HARNESS TERMINAL CRIMPS, TRUCKS HAVE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION AND REDUCED ENGINE POWER DISPLAY ... Read More »

    ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

    • TSB #PIT4729E

      Date Announced:
      OCT 24, 2013
      NHTSA ID:
      #10112427

      This Preliminary Information communication provides information to the technician about customer's wanting to add the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full Size ... Read More »

    • TSB #PIT4508C

      Date Announced:
      OCT 05, 2012
      NHTSA ID:
      #10112452

      This Preliminary Information communication provides information to the technician about vehicles that the cruise control being inoperative. Technician may find Diagnostic Trouble Code B3894 set in the Trailer Brake Control Module. Read More »

    ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

    • TSB #PI0639A

      Date Announced:
      MAY 01, 2013
      NHTSA ID:
      #10043887

      GM: THE SERVICE STABILITRAK MESSAGE BEING DISPLAYED IN DIC. THE STABILITRAK INDICATOR LIGHT MAY ALSO BE ON. *JS UPDATED ON 7/9/2013. *KB Read More »

    • TSB #SB12-08-132-001A

      Date Announced:
      APR 01, 2013
      NHTSA ID:
      #10052297

      GENERAL MOTORS: ON SOME TRUCKS AND PASSENGER VEHICLES, ACCESSORY POWER OUTLETS (APO) AND TRAILER LIGHTING ARE COMMON ACCESSED ELECTRICAL SYSTEMS THAT ARE AFFECTED BY DEVICES THAT ARE PLUGGED IN AND BECOME INOPERATIVE DUE TO AN OPEN FUSE ... Read More »

    ELECTRICAL SYSTEM:IGNITION

    • TSB #PI1018A

      Date Announced:
      FEB 05, 2015
      NHTSA ID:
      #10113519

      This preliminary informational bulletin adds the 2015 model year to repair information on correcting a customer concern of poor, limited, reduced Remote Keyless Entry (RKE) or Remote Vehicle Start (RVS) range. Read More »

    • TSB #PI1098A

      Date Announced:
      OCT 13, 2014
      NHTSA ID:
      #10114292

      This preliminary bulletin provides a procedure on how to cold crank test a battery in a vehicle. Read More »

    • TSB #PIP4828B

      Date Announced:
      JAN 14, 2013
      NHTSA ID:
      #10112717

      This Preliminary Information communication provides information to the technician about vehicles that have a rough idle and/or momentary lack of power after cold starting the engine and immediately placing the transmission in gear. Read More »

    • TSB #PIT4813C

      Date Announced:
      DEC 12, 2012
      NHTSA ID:
      #10112648

      This Preliminary Information communication provides information to the technician about vehicles with a "Service Charging System" message displayed on the Driver Information Center and/or a low voltage reading on the volt gauge during the ... Read More »

    • TSB #PIT4585E

      Date Announced:
      NOV 16, 2012
      NHTSA ID:
      #10112581

      This Preliminary Information communication provides information to the technician about vehicles that may have a no crank condition after the vehicle has had very low accessory battery voltage or a dead battery condition. Read More »

    • TSB #PIT5185

      Date Announced:
      OCT 15, 2012
      NHTSA ID:
      #10112472

      This Preliminary Information communication provides information to the technician about vehicles that if the ignition key is turned to the start position, and then released when the engine begins cranking, the engine will continue ... Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #PIP-5276-E

      Date Announced:
      AUG 01, 2015
      NHTSA ID:
      #10059078

      CADILLAC/CHEVROLET/GMC: ON SOME VEHICLES AND/OR TRUCKS, INSTRUMENT CLUSTER WILL ILLUMINATE, AFTER AN OIL CHANGE, INDICATING LOW OIL PRESSURE AND/OR SES LAMP WILL ILLUMINATE. Read More »

    • TSB #PIT5195A

      Date Announced:
      JAN 21, 2014
      NHTSA ID:
      #10112009

      This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »

    • TSB #PIT5181A

      Date Announced:
      NOV 12, 2013
      NHTSA ID:
      #10112348

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find DTCs P057C and or P057D. Read More »

    • TSB #PIT5195

      Date Announced:
      JAN 23, 2013
      NHTSA ID:
      #10112737

      This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #PIC5687D

      Date Announced:
      MAY 23, 2014
      NHTSA ID:
      #10112082

      This Preliminary Information communication provides information to the technician about vehicles that loose connection between the vehicle and a Bluetooth phone. Read More »

    • TSB #PIT5206A

      Date Announced:
      NOV 14, 2013
      NHTSA ID:
      #10112356

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages " ... Read More »

    • TSB #PIP5012C

      Date Announced:
      APR 22, 2013
      NHTSA ID:
      #10112994

      This Preliminary Information communication provides information to the technician about vehicles that have a clunk noise or a harsh 6-5 downshift while driving at 50 to 70 miles per hour. Read More »

    • TSB #PIC5687C

      Date Announced:
      DEC 17, 2012
      NHTSA ID:
      #10112687

      This Preliminary Information communication provides information to the technician about vehicles that loose connection between the vehicle and a Bluetooth phone. Read More »

    • TSB #PIT4733J

      Date Announced:
      NOV 28, 2012
      NHTSA ID:
      #10112606

      This Preliminary Information communication provides information to the technician that customers may inquire as to the availability of OnStar bluetooth on their vehicle. Read More »

    ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

    • TSB #PIP4686D

      Date Announced:
      OCT 15, 2013
      NHTSA ID:
      #10112406

      This Preliminary Information communication provides information to the technician about vehicles that have various 2-Mode Hybrid issues. Read More »

    EXTERIOR LIGHTING

    • TSB #PIT4543B

      Date Announced:
      AUG 07, 2014
      NHTSA ID:
      #10112151

      This Preliminary Information communication provides information to the technician about the operation of the ground illumination lamp. Read More »

    LIGHTING (PWS)

    • TSB #15-08-42-001A

      Date Announced:
      MAY 13, 2016
      NHTSA ID:
      #10078824

      THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON EXTERIOR LIGHTING COMPONENTS THAT HAVE BEEN TINTED OR SMOKED BY AN OUTSIDE VENDOR AND GENERAL MOTORS POSITION ON ALTERING THESE COMPONENTS. Read More »

    • TSB #PIT4543A

      Date Announced:
      DEC 13, 2012
      NHTSA ID:
      #10112668

      This Preliminary Information communication provides information to the technician about the puddle light operation. Read More »

    EXTERIOR LIGHTING:HEADLIGHTS

    • TSB #PIT4543B

      Date Announced:
      AUG 07, 2014
      NHTSA ID:
      #10112151

      This Preliminary Information communication provides information to the technician about the operation of the ground illumination lamp. Read More »

    EXTERIOR LIGHTING:BRAKE LIGHTS

    • TSB #PIT-5122-C

      Date Announced:
      SEP 01, 2012
      NHTSA ID:
      #10044879

      GENERAL MOTORS: SERVICE STABILITY MESSAGE LOW POWER BRAKE LIGHT AND CRUISE CONTROL OPERATION- DTC C0161 AND/OR C0277. NEW FOR THE 2012 MODELS IS A DUAL BRAKE PEDAL POSITION (BPP) SENSOR (TWO SENSORS IN ONE). Read More »

    VISIBILITY

    • TSB #PIT4417H

      Date Announced:
      JUN 25, 2013
      NHTSA ID:
      #10113062

      This Preliminary Information communication provides information to the technician about an owner that may request to have a different style mirror installed on their vehicle or request a different mirror before they purchase the vehicle. Read More »

    VISIBILITY:GLASS, SIDE/REAR

    • TSB #PI-0018-B

      Date Announced:
      NOV 01, 2013
      NHTSA ID:
      #10054243

      GENERAL MOTORS: THE WINDOWS, FRONT AND REAR, WOULD BIND, POOR FIT, MISALIGNMENT, MAKES RATTLE OR SQUEAKING NOISES, MOVES SLOWLY AND IS INOPERATIVE. MODEL 2008-2014 VEHICLES AND TRUCKS. Read More »

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #PIT5189

      Date Announced:
      NOV 29, 2012
      NHTSA ID:
      #10112615

      This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that have windows inoperative while the engine is running but work when the engine is off. Read More »

    • TSB #PIT4228E

      Date Announced:
      OCT 17, 2012
      NHTSA ID:
      #10112491

      This Preliminary Information communication provides information to the technician about vehicles that have passenger window express down feature is inoperative. Read More »

    • TSB #PIT4228D

      Date Announced:
      OCT 05, 2012
      NHTSA ID:
      #10112451

      This Preliminary Information communication provides information to the technician about vehicles that have passenger window express down feature is inoperative. Read More »

    VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

    • TSB #PIT4417H

      Date Announced:
      JUN 25, 2013
      NHTSA ID:
      #10113062

      This Preliminary Information communication provides information to the technician about an owner that may request to have a different style mirror installed on their vehicle or request a different mirror before they purchase the vehicle. Read More »

    VISIBILITY:WINDSHIELD WIPER/WASHER

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR

    • TSB #PI-0695

      Date Announced:
      NOV 01, 2012
      NHTSA ID:
      #10043892

      GM: DIAGNOSE AND REPAIR HVAC BLOWER FUNCTION. MAY NOT BE ANY AIR FLOW FROM THE HVAC VENTS. ONE POSSIBLE OF THIS CONDITION MAY BE THE CONTACTS IN THE HVAC JUNCTION BLOCK(S) LOCATED AT THE RIGHT SIDE OF THE INSTRUMENTAL PANEL. Read More »

    AIR BAGS

    • TSB #PB-11288

      Date Announced:
      NOV 01, 2011
      NHTSA ID:
      #10042990

      CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN MODEL VEHICLES, A CONDITION WHERE ROOF RAIL AIRBAGS, MAY BEEN IMPROPERLY ROUTED ON RIGHT SIDE, RESULTING IN DEPLOYMENT. Read More »

    AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE

    • TSB #PIT4874B

      Date Announced:
      NOV 02, 2012
      NHTSA ID:
      #10112536

      This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B0081 in the Sensing and Diagnostic Module and Passenger Presence Sensor modules. Read More »

    • TSB #11-09-41-002C

      Date Announced:
      MAR 01, 2012
      NHTSA ID:
      #10043849

      GM: AIR BAG WARNING LAMP ILLUMINATED, REPEAT HISTORY DTC B0083 0F- B0088 0F ON VEHICLES OPERATED IN AMARILLO TEXAS AREA. AN UPDATED SOFTWARE CALIBRATION HAS BEEN RELEASED TO ADDRESS THIS CONDITION. Read More »

    AIR BAGS:SIDE/WINDOW:CURTAIN

    • TSB #PB-11288

      Date Announced:
      NOV 01, 2011
      NHTSA ID:
      #10042990

      CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN MODEL VEHICLES, A CONDITION WHERE ROOF RAIL AIRBAGS, MAY BEEN IMPROPERLY ROUTED ON RIGHT SIDE, RESULTING IN DEPLOYMENT. Read More »

    AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION

    • TSB #PIT4874B

      Date Announced:
      NOV 02, 2012
      NHTSA ID:
      #10112536

      This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B0081 in the Sensing and Diagnostic Module and Passenger Presence Sensor modules. Read More »

    SEAT BELTS

    • TSB #99-09-40-005G

      Date Announced:
      AUG 15, 2013
      NHTSA ID:
      #10113492

      This informational bulletin provides information on availability for the seat belt extender. Read More »

    STRUCTURE

    • TSB #PIT4250F

      Date Announced:
      NOV 09, 2012
      NHTSA ID:
      #10112561

      This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. Read More »

    • TSB #PIP4826C

      Date Announced:
      OCT 31, 2012
      NHTSA ID:
      #10112525

      This Preliminary Information communication provides information to the technician about vehicles that have a vibration, moan, or buzz type noise heard from either inside the passenger compartment, or from under the hood. Read More »

    STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

    • TSB #PIP5068

      Date Announced:
      OCT 15, 2012
      NHTSA ID:
      #10112477

      This Preliminary Information communication provides information to the technician abut vehicles that have a knock noise or vibration from the engine or transmission. Technician will need to inspect the flex plate. Read More »

    STRUCTURE:BODY

    • TSB #05-08-51-001H

      Date Announced:
      JAN 07, 2016
      NHTSA ID:
      #10112264

      This informational bulletin provides information on removing paint stains on the under side of protective shipping film Read More »

    STRUCTURE:BODY:BUMPERS

    • TSB #PIT5039B

      Date Announced:
      NOV 28, 2012
      NHTSA ID:
      #10112609

      This Preliminary Information communication provides information to the technician about vehicles that the customer or up-fitter may have removed the rear bumper, install a different rear bumper, or add a different box/flat bed/cube ... Read More »

    STRUCTURE:BODY:DOOR

    • TSB #PIT5201A

      Date Announced:
      JAN 24, 2014
      NHTSA ID:
      #10112024

      This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Code B2555 may be found in a Driver and/or Passenger Door Module. Read More »

    • TSB #PI-0018-B

      Date Announced:
      NOV 01, 2013
      NHTSA ID:
      #10054243

      GENERAL MOTORS: THE WINDOWS, FRONT AND REAR, WOULD BIND, POOR FIT, MISALIGNMENT, MAKES RATTLE OR SQUEAKING NOISES, MOVES SLOWLY AND IS INOPERATIVE. MODEL 2008-2014 VEHICLES AND TRUCKS. Read More »

    • TSB #PIT3189R

      Date Announced:
      OCT 25, 2013
      NHTSA ID:
      #10112428

      This Preliminary Information communication provides information to the technician about customers that are unable to override the automatic door locking feature. Technician will update the Body Control Module on 2006 to 2007 model years. Read More »

    • TSB #PIT4560H

      Date Announced:
      OCT 25, 2013
      NHTSA ID:
      #10112429

      This Preliminary Information communication provides information to the technician about vehicles that unable to program the key fobs to the vehicle. Read More »

    • TSB #PIT-5201

      Date Announced:
      FEB 01, 2013
      NHTSA ID:
      #10051905

      GMC/CHEVROLET: THE PASSENGER AND/OR DRIVER DOOR MODULE COURTESY LIGHTS CALIBRATIONS ARE THE SAME, WITH OR WITHOUT, DOOR PANEL COURTESY LIGHTS. MODEL 2007-2013 AVALANCHE, SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKONS. Read More »

    • TSB #PIT4560G

      Date Announced:
      OCT 08, 2012
      NHTSA ID:
      #10112455

      This Preliminary Information communication provides information to the technician about vehicles that unable to program the key fobs to the vehicle. Read More »

    STRUCTURE:BODY:TAILGATE

    • TSB #PIT5243

      Date Announced:
      NOV 26, 2013
      NHTSA ID:
      #10112377

      This Preliminary Information communication provides information to the technician about vehicles that have tailgate may not lower slowly like the New 2014 Silverado 1500 / Sierra 1500 models. Read More »

    STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS

    • TSB #PIT5243

      Date Announced:
      NOV 26, 2013
      NHTSA ID:
      #10112377

      This Preliminary Information communication provides information to the technician about vehicles that have tailgate may not lower slowly like the New 2014 Silverado 1500 / Sierra 1500 models. Read More »

    STRUCTURE:BODY:ROOF AND PILLARS

    • TSB #PIT5059B

      Date Announced:
      SEP 23, 2014
      NHTSA ID:
      #10112247

      This Preliminary Information communication provides information to the technician about the roof beacon switch. The roof beacon switch will be left disconnected from the assembly plant. Read More »

    LATCHES/LOCKS/LINKAGES:DOORS:LATCH

    • TSB #PIT3189R

      Date Announced:
      OCT 25, 2013
      NHTSA ID:
      #10112428

      This Preliminary Information communication provides information to the technician about customers that are unable to override the automatic door locking feature. Technician will update the Body Control Module on 2006 to 2007 model years. Read More »

    • TSB #PIT4560H

      Date Announced:
      OCT 25, 2013
      NHTSA ID:
      #10112429

      This Preliminary Information communication provides information to the technician about vehicles that unable to program the key fobs to the vehicle. Read More »

    • TSB #PI-0011A

      Date Announced:
      JUN 01, 2013
      NHTSA ID:
      #10038344

      GM: THE FRONT OR REAR DOOR MAY NOT OPEN FROM THE INSIDE OR OUTSIDE HANDLE, THE DOOR WILL NOT UNLOCK WITH ANY METHOD. THE PROBABLY CAUSE AN INCORRECT INSTALLATION OF A HANDLE COMPONENT. *RM UPDATED ON 7/26/2013. Read More »

    • TSB #PIT4560G

      Date Announced:
      OCT 08, 2012
      NHTSA ID:
      #10112455

      This Preliminary Information communication provides information to the technician about vehicles that unable to program the key fobs to the vehicle. Read More »

    VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

    • TSB #PIP3783D

      Date Announced:
      JUL 16, 2014
      NHTSA ID:
      #10112115

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on or reduced engine power message. Read More »

    VEHICLE SPEED CONTROL:CRUISE CONTROL

    • TSB #PIT4844E

      Date Announced:
      OCT 02, 2013
      NHTSA ID:
      #10112384

      This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Read More »

    • TSB #PIT4844D

      Date Announced:
      NOV 02, 2012
      NHTSA ID:
      #10112535

      This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Read More »

    • TSB #PIT5184

      Date Announced:
      OCT 12, 2012
      NHTSA ID:
      #10112470

      This Preliminary Information communication provides information to the technician about vehicles that have an instrument panel backlighting flashes, flickers or inoperative, unwanted horn activation, radio controls inoperative or unwanted ... Read More »

    • TSB #PIT-5122-C

      Date Announced:
      SEP 01, 2012
      NHTSA ID:
      #10044879

      GENERAL MOTORS: SERVICE STABILITY MESSAGE LOW POWER BRAKE LIGHT AND CRUISE CONTROL OPERATION- DTC C0161 AND/OR C0277. NEW FOR THE 2012 MODELS IS A DUAL BRAKE PEDAL POSITION (BPP) SENSOR (TWO SENSORS IN ONE). Read More »

    • TSB #PIT-5179

      Date Announced:
      SEP 01, 2012
      NHTSA ID:
      #10047459

      CADILLAC/GMC/CHEVROLET: INFORMATION ON CRUISE CONTROL BEING INOPERATIVE DUE TO BPP CIRCUIT SIGNAL AND/OR TCC/CRUISE BRAKE PEDAL PARAMETERS, WHEN BRAKE PEDAL IS RELEASED BUT SHOWS APPLIED. Read More »

    TIRES

    • TSB #03-03-10-007J

      Date Announced:
      JUL 19, 2017
      NHTSA ID:
      #10108645

      This informational bulletin provides information on the temporary tire flat spotting condition. Read More »

    • TSB #PIT3271G

      Date Announced:
      JAN 15, 2015
      NHTSA ID:
      #10114352

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

    • TSB #01-03-10-003K

      Date Announced:
      AUG 28, 2013
      NHTSA ID:
      #10113506

      This warranty administration bulletin provide policy information on GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Information. Read More »

    • TSB #00-03-10-003R

      Date Announced:
      AUG 05, 2013
      NHTSA ID:
      #10113483

      This warranty administration bulletin provide policy information new tire warranty program and global warranty management submission information. Read More »

    • TSB #PIT3271F

      Date Announced:
      DEC 12, 2012
      NHTSA ID:
      #10112655

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

    • TSB #PIT4506C

      Date Announced:
      OCT 22, 2012
      NHTSA ID:
      #10112508

      This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Read More »

    TIRES:SIDEWALL

    • TSB #PIT4261C

      Date Announced:
      NOV 29, 2012
      NHTSA ID:
      #10112613

      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 #PIT3271G

      Date Announced:
      JAN 15, 2015
      NHTSA ID:
      #10114352

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

    • TSB #PIT3271F

      Date Announced:
      DEC 12, 2012
      NHTSA ID:
      #10112655

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

    WHEELS:HUB

    • TSB #PIT3078F

      Date Announced:
      OCT 29, 2012
      NHTSA ID:
      #10112519

      This Preliminary Information communication provides information to the technician about vehicles that have grease leaking from front hub bearings. Technician should not replace the bearing for grease purge. Read More »

    TRAILER HITCHES

    • TSB #PIT4729E

      Date Announced:
      OCT 24, 2013
      NHTSA ID:
      #10112427

      This Preliminary Information communication provides information to the technician about customer's wanting to add the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full Size ... Read More »

    SEATS

    • TSB #PIT4089H

      Date Announced:
      OCT 22, 2012
      NHTSA ID:
      #10112512

      This Preliminary Information communication provides information to the technician about vehicles that are unable to set a personalized easy exit seat and/or power tilt column position and they will only move a predetermined amount. Read More »

    SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

    • TSB #PIT5215A

      Date Announced:
      JAN 21, 2014
      NHTSA ID:
      #10112010

      This Preliminary Information communication provides information to the technician about vehicles that after installing the GM Accessory Heated Seat Kit, one or more of the following issues may be present the heated seat back and/or bottom ... Read More »

    • TSB #PIT5019A

      Date Announced:
      NOV 30, 2012
      NHTSA ID:
      #10112618

      This Preliminary Information communication provides information to the technician about vehicles that have the front seats will not cool when using remote vehicle start. Read More »

    • TSB #PIT5170

      Date Announced:
      OCT 05, 2012
      NHTSA ID:
      #10112454

      This Preliminary Information communication provides information to the technician about vehicles that the front and/or rear heated seats are inoperative and/or the driver's power seat only moves in short bursts each time the seat switch ... Read More »

    ELECTRONIC STABILITY CONTROL

    • TSB #PIT-5120-A

      Date Announced:
      SEP 01, 2012
      NHTSA ID:
      #10047479

      GMC/CHEVROLET/CADILLAC: INSTRUMENT PANEL MESSAGES REGARDING STABILITRAK MESSAGE, TRACTION CONTROL MESSAGE, SERVICE BRAKE SYSTEM MESSAGE, IS OFF AND GAUGES, IN VARIOUS MODULES LOW SPEED SETTINGS, ARE INOPERATIVE. Read More »

    ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

    • TSB #PIT-5120-A

      Date Announced:
      SEP 01, 2012
      NHTSA ID:
      #10047479

      GMC/CHEVROLET/CADILLAC: INSTRUMENT PANEL MESSAGES REGARDING STABILITRAK MESSAGE, TRACTION CONTROL MESSAGE, SERVICE BRAKE SYSTEM MESSAGE, IS OFF AND GAUGES, IN VARIOUS MODULES LOW SPEED SETTINGS, ARE INOPERATIVE. Read More »

    BACK OVER PREVENTION: BACK-UP ALARM

    • TSB #PIT4551E

      Date Announced:
      JAN 30, 2013
      NHTSA ID:
      #10112745

      This Preliminary Information communication provides information to the technician that during the Pre-Delivery Inspection it may be noticed that the backup alarm is inoperative. Read More »

    INTERIOR LIGHTING

    • TSB #PIT5059B

      Date Announced:
      SEP 23, 2014
      NHTSA ID:
      #10112247

      This Preliminary Information communication provides information to the technician about the roof beacon switch. The roof beacon switch will be left disconnected from the assembly plant. Read More »

    • TSB #PIT5201A

      Date Announced:
      JAN 24, 2014
      NHTSA ID:
      #10112024

      This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Code B2555 may be found in a Driver and/or Passenger Door Module. Read More »

    • TSB #PIT5059A

      Date Announced:
      NOV 08, 2012
      NHTSA ID:
      #10112559

      This Preliminary Information communication provides information to the technician about the roof beacon switch. The roof beacon switch will be left disconnected from the assembly plant. Read More »

    EQUIPMENT

    • TSB #PIT4989B

      Date Announced:
      MAR 01, 2016
      NHTSA ID:
      #10113889

      This Preliminary Information communication provides the technician with a list of modules to check for communication with the scan tool, if the navigation radio does not display the current Hybrid mode. Read More »

    • TSB #PIP5226A

      Date Announced:
      FEB 11, 2016
      NHTSA ID:
      #10096026

      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 #PIP5153

      Date Announced:
      SEP 18, 2013
      NHTSA ID:
      #10113254

      This Preliminary Information communication provides information to the technician about the new fluids available for axle service and clarifies usage. Technician will use the chart to determine the proper axle lubricant to use. Read More »

    • TSB #PIP5148

      Date Announced:
      AUG 22, 2013
      NHTSA ID:
      #10113209

      This Preliminary Information communication provides information to the technician about vehicles that a tick ping noise on torque reversal or load. Technician will need to replace the propeller shaft. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #PIC5953A

      Date Announced:
      FEB 23, 2016
      NHTSA ID:
      #10114431

      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 #03-08-46-004R

      Date Announced:
      JAN 27, 2016
      NHTSA ID:
      #10112299

      This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only) Read More »

    • TSB #PIT5442

      Date Announced:
      JUL 09, 2015
      NHTSA ID:
      #10114597

      This Preliminary Information communication provides information to the technician of an engine power reduced message on the driver information center after performing the Canada Onstar? 4G upgrade. Read More »

    • TSB #15-08-44-001B

      Date Announced:
      MAY 15, 2015
      NHTSA ID:
      #10113652

      This informational bulletin provides information on a GM of Canada OnStar? cellular communication upgrade. Read More »

    • TSB #05-08-46-009D

      Date Announced:
      MAR 31, 2015
      NHTSA ID:
      #10113785

      This informational bulletin adds the 2014 and 2015 model years to information of a language change for OnStar System (U.S. and Canada only). Read More »

    • TSB #13-08-116-001B

      Date Announced:
      MAR 26, 2015
      NHTSA ID:
      #10113773

      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 #12-07-30-001E

      Date Announced:
      MAR 26, 2015
      NHTSA ID:
      #10113775

      This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement. Read More »

    • TSB #15-08-44-001

      Date Announced:
      MAR 02, 2015
      NHTSA ID:
      #10113720

      This informational bulletin provides information on a GM of Canada OnStar? cellular communication upgrade. Read More »

    • TSB #15-08-73-001

      Date Announced:
      MAR 02, 2015
      NHTSA ID:
      #10113722

      This informational bulletin provides information on communication with OnStar? module after Canadian cellular upgrade. Read More »

    • TSB #PIT5264C

      Date Announced:
      FEB 13, 2015
      NHTSA ID:
      #10114408

      This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Read More »

    • TSB #PI1018A

      Date Announced:
      FEB 05, 2015
      NHTSA ID:
      #10113519

      This preliminary informational bulletin adds the 2015 model year to repair information on correcting a customer concern of poor, limited, reduced Remote Keyless Entry (RKE) or Remote Vehicle Start (RVS) range. Read More »

    • TSB #PIC4310K

      Date Announced:
      JAN 14, 2015
      NHTSA ID:
      #10114342

      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 #PIC3278F

      Date Announced:
      JAN 14, 2015
      NHTSA ID:
      #10114343

      This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Read More »

    • TSB #08-08-44-015E

      Date Announced:
      OCT 06, 2014
      NHTSA ID:
      #10114280

      This informational bulletin provides information on Inappropriate Warranty Claims Submitted for Damaged Radios and IPCs Read More »

    • TSB #PIT5067A

      Date Announced:
      JUL 30, 2014
      NHTSA ID:
      #10112135

      This Preliminary Information communication provides information to the technician about vehicles that may have "Press check to turn off motion sensor" message on the Driver Information Center. Read More »

    • TSB #PIC5687D

      Date Announced:
      MAY 23, 2014
      NHTSA ID:
      #10112082

      This Preliminary Information communication provides information to the technician about vehicles that loose connection between the vehicle and a Bluetooth phone. Read More »

    • TSB #PIT5243

      Date Announced:
      NOV 26, 2013
      NHTSA ID:
      #10112377

      This Preliminary Information communication provides information to the technician about vehicles that have tailgate may not lower slowly like the New 2014 Silverado 1500 / Sierra 1500 models. Read More »

    • TSB #PIT4560H

      Date Announced:
      OCT 25, 2013
      NHTSA ID:
      #10112429

      This Preliminary Information communication provides information to the technician about vehicles that unable to program the key fobs to the vehicle. Read More »

    • TSB #03-08-46-004N

      Date Announced:
      AUG 30, 2013
      NHTSA ID:
      #10113509

      This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM). Read More »

    • TSB #06-00-89-026L

      Date Announced:
      AUG 26, 2013
      NHTSA ID:
      #10113502

      This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND. Read More »

    • TSB #PIP4560P

      Date Announced:
      JUN 27, 2013
      NHTSA ID:
      #10113064

      This Preliminary Information communication advises the technician that the Allison Transmission Control Module will be placed on a parts restriction through the General Motors Technical Assistance Center. Read More »

    • TSB #PIT5209

      Date Announced:
      APR 16, 2013
      NHTSA ID:
      #10112973

      This Preliminary Information communication provides information to the technician about vehicles that for no reason the alarm will go active. Read More »

    • TSB #PIT4551E

      Date Announced:
      JAN 30, 2013
      NHTSA ID:
      #10112745

      This Preliminary Information communication provides information to the technician that during the Pre-Delivery Inspection it may be noticed that the backup alarm is inoperative. Read More »

    • TSB #PIT5128A

      Date Announced:
      DEC 18, 2012
      NHTSA ID:
      #10112690

      This Preliminary Information communication provides information to the technician about vehicles that have a compass that's not accurate or slow to update. Read More »

    • TSB #PIC5687C

      Date Announced:
      DEC 17, 2012
      NHTSA ID:
      #10112687

      This Preliminary Information communication provides information to the technician about vehicles that loose connection between the vehicle and a Bluetooth phone. Read More »

    • TSB #PIC5492A

      Date Announced:
      DEC 14, 2012
      NHTSA ID:
      #10112677

      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 #PI0774B

      Date Announced:
      DEC 04, 2012
      NHTSA ID:
      #10113831

      This preliminary information bulletin provides a descritption of operation of the echo control and noise cancellation settings for concernc regarding noice drop outs during calls and muffled sound. Read More »

    • TSB #PIT4911T

      Date Announced:
      DEC 03, 2012
      NHTSA ID:
      #10112623

      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 #PIT4733J

      Date Announced:
      NOV 28, 2012
      NHTSA ID:
      #10112606

      This Preliminary Information communication provides information to the technician that customers may inquire as to the availability of OnStar bluetooth on their vehicle. Read More »

    • TSB #PIT4600E

      Date Announced:
      NOV 15, 2012
      NHTSA ID:
      #10112577

      This Preliminary Information communication provides information to the technician about Electronic Brake Control Module relearn procedure is required anytime the Electronic Brake Control Module is replaced or has been Service Programming ... Read More »

    • TSB #PIT5059A

      Date Announced:
      NOV 08, 2012
      NHTSA ID:
      #10112559

      This Preliminary Information communication provides information to the technician about the roof beacon switch. The roof beacon switch will be left disconnected from the assembly plant. Read More »

    • TSB #PIT4844D

      Date Announced:
      NOV 02, 2012
      NHTSA ID:
      #10112535

      This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Read More »

    • TSB #PIT5166B

      Date Announced:
      NOV 01, 2012
      NHTSA ID:
      #10112530

      This Preliminary Information communication provides information to the technician about vehicles that have a high pitch buzz, whine, squeal, or hum noise from the radio display. Read More »

    • TSB #PIT4169F

      Date Announced:
      OCT 31, 2012
      NHTSA ID:
      #10112526

      This Preliminary Information communication provides information to the technician about vehicles that have a "Service Stability Message" appears on the Drivers Information Center. Read More »

    • TSB #PIT4357F

      Date Announced:
      OCT 29, 2012
      NHTSA ID:
      #10112527

      This Preliminary Information communication provides information to the technician about vehicles that have the content theft alarm is inoperative. Read More »

    • TSB #PIT4228E

      Date Announced:
      OCT 17, 2012
      NHTSA ID:
      #10112491

      This Preliminary Information communication provides information to the technician about vehicles that have passenger window express down feature is inoperative. Read More »

    • TSB #PIT4560G

      Date Announced:
      OCT 08, 2012
      NHTSA ID:
      #10112455

      This Preliminary Information communication provides information to the technician about vehicles that unable to program the key fobs to the vehicle. Read More »

    • TSB #PIT5170

      Date Announced:
      OCT 05, 2012
      NHTSA ID:
      #10112454

      This Preliminary Information communication provides information to the technician about vehicles that the front and/or rear heated seats are inoperative and/or the driver's power seat only moves in short bursts each time the seat switch ... Read More »

    • TSB #PI-0759

      Date Announced:
      JUL 01, 2012
      NHTSA ID:
      #10045519

      GM-EXPRESS/SILVERADO/SAVANA/SIERRA: DUE TO POOR CONNECTIONS AND INTERMITTENT CONDITION OF MAP SENSOR CONNECTOR WIRING HARNESS TERMINAL CRIMPS, TRUCKS HAVE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION AND REDUCED ENGINE POWER DISPLAY ... Read More »

    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #PIT4376G

      Date Announced:
      NOV 11, 2013
      NHTSA ID:
      #10112346

      This Preliminary Information communication advises the technician about key and theft information for Fleet Vehicles equipped with RPO 6E2 or 6E8 and converting to fleet mode. Read More »

    • TSB #PIT4357F

      Date Announced:
      OCT 29, 2012
      NHTSA ID:
      #10112527

      This Preliminary Information communication provides information to the technician about vehicles that have the content theft alarm is inoperative. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #08-08-44-015E

      Date Announced:
      OCT 06, 2014
      NHTSA ID:
      #10114280

      This informational bulletin provides information on Inappropriate Warranty Claims Submitted for Damaged Radios and IPCs Read More »

    • TSB #PIC5687D

      Date Announced:
      MAY 23, 2014
      NHTSA ID:
      #10112082

      This Preliminary Information communication provides information to the technician about vehicles that loose connection between the vehicle and a Bluetooth phone. Read More »

    • TSB #PIT4474E

      Date Announced:
      JAN 28, 2014
      NHTSA ID:
      #10112033

      This Preliminary Information communication provides information to the technician about vehicles that have navigation or radio screen is blank or flashes on and off, no sound from speakers, and rear DVD screen inoperative. Read More »

    • TSB #PIT5242

      Date Announced:
      NOV 26, 2013
      NHTSA ID:
      #10112375

      This Preliminary Information communication provides information to the technician that after turning the ignition off and opening the driver's door that they can turn the radio on. Read More »

    • TSB #PI0774B

      Date Announced:
      DEC 04, 2012
      NHTSA ID:
      #10113831

      This preliminary information bulletin provides a descritption of operation of the echo control and noise cancellation settings for concernc regarding noice drop outs during calls and muffled sound. Read More »

    • TSB #PIT4911T

      Date Announced:
      DEC 03, 2012
      NHTSA ID:
      #10112623

      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 #PIT5166B

      Date Announced:
      NOV 01, 2012
      NHTSA ID:
      #10112530

      This Preliminary Information communication provides information to the technician about vehicles that have a high pitch buzz, whine, squeal, or hum noise from the radio display. Read More »

    • TSB #PIT5184

      Date Announced:
      OCT 12, 2012
      NHTSA ID:
      #10112470

      This Preliminary Information communication provides information to the technician about vehicles that have an instrument panel backlighting flashes, flickers or inoperative, unwanted horn activation, radio controls inoperative or unwanted ... Read More »

    • TSB #SB-12019

      Date Announced:
      FEB 01, 2012
      NHTSA ID:
      #10043904

      SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES. RADIO DISPLAY MAY BE INOPERATIVE OR FLICKER - EXPIRES WITH BASE WARRANTY. *KB Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #03-08-46-004R

      Date Announced:
      JAN 27, 2016
      NHTSA ID:
      #10112299

      This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only) Read More »

    • TSB #15-08-44-001C

      Date Announced:
      JUN 11, 2015
      NHTSA ID:
      #10113687

      This informational bulletin provides information on a GM of Canada OnStar? cellular communication upgrade. Read More »

    • TSB #15-08-44-001B

      Date Announced:
      MAY 15, 2015
      NHTSA ID:
      #10113652

      This informational bulletin provides information on a GM of Canada OnStar? cellular communication upgrade. Read More »

    • TSB #15-08-44-001A

      Date Announced:
      MAY 15, 2015
      NHTSA ID:
      #10113654

      This informational bulletin provides information on a GM of Canada OnStar? cellular communication upgrade. Read More »

    • TSB #PIC4310L

      Date Announced:
      APR 17, 2015
      NHTSA ID:
      #10114470

      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 #PIT5264C

      Date Announced:
      FEB 13, 2015
      NHTSA ID:
      #10114408

      This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Read More »

    • TSB #PIC4310K

      Date Announced:
      JAN 14, 2015
      NHTSA ID:
      #10114342

      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 #PIT4474E

      Date Announced:
      JAN 28, 2014
      NHTSA ID:
      #10112033

      This Preliminary Information communication provides information to the technician about vehicles that have navigation or radio screen is blank or flashes on and off, no sound from speakers, and rear DVD screen inoperative. Read More »

    • TSB #PIT5128A

      Date Announced:
      DEC 18, 2012
      NHTSA ID:
      #10112690

      This Preliminary Information communication provides information to the technician about vehicles that have a compass that's not accurate or slow to update. Read More »

    EQUIPMENT:MECHANICAL

    • TSB #PIP5204C

      Date Announced:
      SEP 29, 2014
      NHTSA ID:
      #10112258

      This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General ... Read More »

    • TSB #PIP5204B

      Date Announced:
      SEP 29, 2014
      NHTSA ID:
      #10112259

      This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General ... Read More »

    • TSB #PIP5204A

      Date Announced:
      SEP 09, 2014
      NHTSA ID:
      #10112215

      This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General ... Read More »

    • TSB #PIP4833E

      Date Announced:
      MAY 21, 2014
      NHTSA ID:
      #10112079

      This Preliminary Information communication advises the technician that the Auxiliary Transmission Fluid Pump Control Module and Auxiliary Transmission Fluid Pump placed on parts restriction by General Motors Technical Assistance Center. Read More »

    • TSB #PIP4600D

      Date Announced:
      MAY 07, 2014
      NHTSA ID:
      #10112060

      This Preliminary Information communication advises the technician that the 2ML70 Transmission Assembly will be placed on restriction through the General Motors Technical Assistance Center. Read More »

    • TSB #06-06-01-010B

      Date Announced:
      AUG 19, 2013
      NHTSA ID:
      #10113494

      This informational bulletin provides information on close-coupled converter and engine replacement. Read More »

    • TSB #PIP4793G

      Date Announced:
      JUN 27, 2013
      NHTSA ID:
      #10113067

      This Preliminary Information communication advises the technician that the Allison A1000 Valve Body part number 29545998 will be placed on a parts restriction through the General Motors Product Quality Center. Read More »

    • TSB #PIP4138L

      Date Announced:
      DEC 27, 2012
      NHTSA ID:
      #10112697

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Read More »

    • TSB #PIP5065A

      Date Announced:
      OCT 09, 2012
      NHTSA ID:
      #10112457

      This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #PIT-5338-A

      Date Announced:
      APR 04, 2016
      NHTSA ID:
      #10078601

      THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE PART RESTRICTION FOR THE ACCESSORY DC POWER CONTROL MODULE AND THE SEAL KIT HAS ENDED. Read More »

    • TSB #07-00-89-037H

      Date Announced:
      AUG 03, 2015
      NHTSA ID:
      #10113788

      This warranty administration bulletin provides policy information on courtesy transportation and roadside assistance programs. Read More »

    • TSB #99-00-89-019M

      Date Announced:
      JUN 12, 2015
      NHTSA ID:
      #10113688

      This informational bulletin provides dealership personnel with Global Warranty Management (GWM), Warranty Parts Center (WPC), and Parts Return Program information. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #15-00-89-005

      Date Announced:
      AUG 18, 2015
      NHTSA ID:
      #10113810

      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 #10-08-110-001D

      Date Announced:
      AUG 06, 2015
      NHTSA ID:
      #10113796

      This informational bulletin provides information on the proper use of GM floor mats. Read More »

    • TSB #02-00-89-002O

      Date Announced:
      JUN 22, 2015
      NHTSA ID:
      #10113701

      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 #09-00-89-016D

      Date Announced:
      MAR 10, 2015
      NHTSA ID:
      #10113741

      This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 - Suspected Tampering or Vehicle Modifications. Read More »

    • TSB #04-00-89-015J

      Date Announced:
      MAR 10, 2015
      NHTSA ID:
      #10113745

      This warranty administration bulletin communicates GM required operating procedures (U.S. only) for service operations. Read More »

    • TSB #12-06-01-008B

      Date Announced:
      MAR 09, 2015
      NHTSA ID:
      #10113740

      This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only). Read More »

    • TSB #02-07-30-029X

      Date Announced:
      MAR 04, 2015
      NHTSA ID:
      #10113731

      This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only). Read More »

    • TSB #05-00-89-055E

      Date Announced:
      FEB 09, 2015
      NHTSA ID:
      #10113531

      This warranty administration bulletin provides information to clarify proper transaction administration of GM Dealer Empowerment Program and Goodwill Cases. Read More »

    • TSB #14-00-89-003A

      Date Announced:
      OCT 30, 2014
      NHTSA ID:
      #10114328

      This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and now is refered to Article 3.2. Read More »

    • TSB #07-08-49-020I

      Date Announced:
      OCT 17, 2014
      NHTSA ID:
      #10114299

      This informational bulletin provides a quick guide to updating which model vehicle after replacing the IPC. Read More »

    • TSB #04-00-89-015H

      Date Announced:
      OCT 16, 2014
      NHTSA ID:
      #10114296

      This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause ... Read More »

    • TSB #PIT5067A

      Date Announced:
      JUL 30, 2014
      NHTSA ID:
      #10112135

      This Preliminary Information communication provides information to the technician about vehicles that may have "Press check to turn off motion sensor" message on the Driver Information Center. Read More »

    • TSB #PIT5181A

      Date Announced:
      NOV 12, 2013
      NHTSA ID:
      #10112348

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find DTCs P057C and or P057D. Read More »

    • TSB #PIP4912B

      Date Announced:
      NOV 08, 2013
      NHTSA ID:
      #10112339

      This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. Read More »

    • TSB #PIP5100A

      Date Announced:
      OCT 04, 2013
      NHTSA ID:
      #10112391

      This Preliminary Information communication provides information to the technician about vehicles that will not move in forward or reverse. Read More »

    • TSB #06-00-89-026L

      Date Announced:
      AUG 26, 2013
      NHTSA ID:
      #10113502

      This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND. Read More »

    • TSB #PI0689B

      Date Announced:
      AUG 06, 2013
      NHTSA ID:
      #10113485

      This preliminary information bulletin provides a procedure for installing a aftermarket tool or utility box. Read More »

    • TSB #PIT5209

      Date Announced:
      APR 16, 2013
      NHTSA ID:
      #10112973

      This Preliminary Information communication provides information to the technician about vehicles that for no reason the alarm will go active. Read More »

    • TSB #11-00-89-005C

      Date Announced:
      DEC 17, 2012
      NHTSA ID:
      #10113843

      This warranty administration bulletin provides information on the Clarification of Use for Dealer Empowerment Labor Operations and Customer Enthusiasm Read More »

    • TSB #10-00-89-017X

      Date Announced:
      DEC 07, 2012
      NHTSA ID:
      #10113837

      This informational bulletin provides a list off all the issues revolving around new vehicles for a one stop place to find growing concerns around them. Read More »

    • TSB #PIP4826C

      Date Announced:
      OCT 31, 2012
      NHTSA ID:
      #10112525

      This Preliminary Information communication provides information to the technician about vehicles that have a vibration, moan, or buzz type noise heard from either inside the passenger compartment, or from under the hood. Read More »

    • TSB #PIT4089H

      Date Announced:
      OCT 22, 2012
      NHTSA ID:
      #10112512

      This Preliminary Information communication provides information to the technician about vehicles that are unable to set a personalized easy exit seat and/or power tilt column position and they will only move a predetermined amount. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #PI1440

      Date Announced:
      MAR 16, 2015
      NHTSA ID:
      #10113753

      This preliminary informational bulletin provides technicians with diagnostic tips for a customer concern of odor emanating from HVAC system. Read More »

    • TSB #06-00-89-026L

      Date Announced:
      AUG 26, 2013
      NHTSA ID:
      #10113502

      This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND. Read More »

    • TSB #PIT4605D

      Date Announced:
      JAN 31, 2013
      NHTSA ID:
      #10112763

      This Preliminary Information communication provides information to the technician about vehicles that have a cold air leak on the front passenger side while driving. Read More »

    • TSB #PIT3330F

      Date Announced:
      NOV 29, 2012
      NHTSA ID:
      #10112614

      This Preliminary Information communication provides information to the technician about customers may inquire about the availability of the passenger compartment air filter. Read More »

    • TSB #PIT5014A

      Date Announced:
      NOV 06, 2012
      NHTSA ID:
      #10112547

      This Preliminary Information communication provides information to the technician about vehicles that have a front passenger flooring wet, water sloshing noise, and/or mist from the dash vents. Read More »

    • TSB #PIE-0222

      Date Announced:
      SEP 01, 2012
      NHTSA ID:
      #10045940

      GMC/CADILLAC/CHEVROLET: NO AIR IS FLOWING THROUGH HVAC VENTS BECAUSE OF AN INOPERATIVE BLOWER MOTOR. THE SITUATION IS INTERMITTENT. Read More »

    • TSB #PIE-0229

      Date Announced:
      SEP 01, 2012
      NHTSA ID:
      #10047379

      GMC/CADILLAC/CHEVROLET: HVAC SYSTEM, WHEN TURNED ON, IS VERY NOISY AND THERE IS A LACK OF AIRFLOW, THROUGH VENTS, DUE TO BLOWER MOTOR FAILING TO WORK PROPERLY. Read More »

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