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TSB List for the 2021 Chevrolet Trailblazer

Technical Service Bulletins (TSBs) for the 2021 Trailblazer are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

  • STEERING
  • SUSPENSION
  • SUSPENSION:FRONT:SHOCK ABSORBER
  • SUSPENSION:FRONT:MACPHERSON STRUT
  • BRAKES (PWS)
  • PARKING BRAKE:ELECTRICAL
  • ENGINE (PWS)
  • ENGINE AND ENGINE COOLING
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
  • ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
  • ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP
  • ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
  • FUEL SYSTEM, GASOLINE
  • FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
  • FUEL SYSTEM, DIESEL
  • FUEL SYSTEM, OTHER
  • POWER TRAIN
  • POWER TRAIN:AUTOMATIC TRANSMISSION
  • POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
  • POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT
  • POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:SOFTWARE
  • ELECTRICAL SYSTEM:ADAS:HILL START ASSIST:SOFTWARE
  • ELECTRICAL SYSTEM:PROPULSION SYSTEM
  • EXTERIOR LIGHTING
  • VISIBILITY
  • VISIBILITY:GLASS, SIDE/REAR
  • VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS
  • VISIBILITY:SUN/MOON ROOF ASSEMBLY
  • AIR BAGS
  • STRUCTURE
  • STRUCTURE:BODY
  • STRUCTURE:BODY:HATCHBACK/LIFTGATE
  • STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT
  • TIRES
  • WHEELS
  • BACK OVER PREVENTION:SOFTWARE
  • EQUIPMENT
  • EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • EQUIPMENT ADAPTIVE/MOBILITY
  • EQUIPMENT:APPLIANCE:AIR CONDITIONER
  • EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS
  • STEERING

    • TSB #16NA109

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

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

    SUSPENSION

    • TSB #21NA017

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10187779

      This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps. Read More »

    SUSPENSION:FRONT:SHOCK ABSORBER

    • TSB #150089004C

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

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

    SUSPENSION:FRONT:MACPHERSON STRUT

    • TSB #150089004C

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

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

    BRAKES (PWS)

    • TSB #PIE0605A

      Date Announced:
      JAN 21, 2021
      NHTSA ID:
      #10188413

      This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition. Read More »

    • TSB #19NA223

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10186074

      This service bulletin provides information for dealers/technicians on a normal characteristic of Brake Pedal - Excessive Click Noise with Slight Press of the Brake Pedal. Read More »

    • TSB #19NA223

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10187388

      This service bulletin provides information for dealers/technicians on a normal characteristic of Brake Pedal - Excessive Click Noise with Slight Press of the Brake Pedal. Read More »

    • TSB #PIE0605

      Date Announced:
      DEC 09, 2020
      NHTSA ID:
      #10186120

      This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition. Read More »

    • TSB #PIE0605

      Date Announced:
      DEC 09, 2020
      NHTSA ID:
      #10187741

      This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition. Read More »

    PARKING BRAKE:ELECTRICAL

    • TSB #20NA186

      Date Announced:
      SEP 15, 2020
      NHTSA ID:
      #10181712

      This technical bulletin provides repair information to correct a customer concern of an Unwanted Electric Park Brake Setting. Read More »

    ENGINE (PWS)

    • TSB #18NA073

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

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

    • TSB #060089031F

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

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

    • TSB #16NA222

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

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

    • TSB #PIP5692B

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181174

      This Preliminary Information communication advises the technician that the engine exchange program on vehicles equipped with engine Regular Production Option Code LIH has ended. Read More »

    • TSB #20NA165

      Date Announced:
      SEP 08, 2020
      NHTSA ID:
      #10181697

      This technical bulletin provides repair information to correct a customer concern of Flutter or Boom Noise at 1200 RPM- Service Calibration. Read More »

    • TSB #A202304840

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10177361

      SUB - Certain 2020-2021 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. Read More »

    • TSB #A202302140 01

      Date Announced:
      JUN 04, 2020
      NHTSA ID:
      #10177355

      Service Update - On certain vehicles, the engine oil pump may be stuck due to foreign material, and diagnostic trouble codes (DTC) P0521, P06DE, P06DD could be set. Read More »

    • TSB #A202301230

      Date Announced:
      MAY 19, 2020
      NHTSA ID:
      #10176817

      SUB - Certain 2021 model year Chevrolet Trailblazer, and 2020-2021 model year Buick Encore GX vehicles, equipped with a continuously variable ratio (CVT) transmission, may experience reduced launch performance during a quick exit from a ... Read More »

    • TSB #16NA383

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

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

    • TSB #20NA084

      Date Announced:
      APR 06, 2020
      NHTSA ID:
      #10175763

      This informational bulletin advises of normal engine noise produced by the engine. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #20NA024

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10191199

      This service bulletin provides a information and diagnostic steps/tips for vehicles that are slow to heat up in cold temperatures. Read More »

    • TSB #21NA014

      Date Announced:
      JAN 25, 2021
      NHTSA ID:
      #10187777

      This technical bulletin provides a procedure to relocate the ground wire from the G58 Emission Purge Pump to the engine block directly to correct the customers concern. Read More »

    • TSB #N202321920

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10186054

      Service Update. A small number of vehicles may have a coolant inlet pipe that may present an obstructed threaded hole for the coolant temp sensor which could result in the check engine light coming on or a potential coolant leak. Read More »

    • TSB #010601011L

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

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

    • TSB #20NA084

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10186078

      This service bulletin provides information on normal engine characteristics/noise produced by the LIH engine. Read More »

    • TSB #20NA084

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10187392

      This service bulletin provides information on normal engine characteristics/noise produced by the LIH engine. Read More »

    • TSB #090604026S

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

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

    • TSB #20NA028

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187390

      This bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing. Read More »

    • TSB #PIP5758

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10182556

      This Preliminary information communicates to the dealer technician a diagnostic tip related to a tapping noise from the engine. Read More »

    • TSB #PIE0587

      Date Announced:
      OCT 06, 2020
      NHTSA ID:
      #10183791

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to loss of and/or reduced propulsion and multiple DTCs set. Read More »

    • TSB #20NA028

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181686

      This bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing. Read More »

    • TSB #PIP5691B

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181153

      This Preliminary Information communication advises the technician that the engine exchange program on vehicles equipped with engine Regular Production Option Code L3T has ended. Read More »

    • TSB #A202317280

      Date Announced:
      SEP 18, 2020
      NHTSA ID:
      #10181659

      Stop Delivery. Incorrect emission parts may have been installed on these vehicles. Read More »

    • TSB #PIP5739

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10178329

      This Preliminary information communicates specific directions for the application of room temperature vulcanizing (RTV) sealant to the engine Lower Crankcase Extension during engine oil pan installation. Read More »

    • TSB #PIP5691A

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10174867

      The Preliminary Information communication advises the technician that there is a part restriction for the 1.3L L3T engine. The dealer technician is advised to call the GM Product Quality Center for further assistance. Read More »

    • TSB #PIP5692A

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10174868

      The Preliminary Information communication advises the technician that there is a part restriction for the 1.2L LIH engine. The dealer technician is advised to call the GM Product Quality Center for further assistance. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #090604026S

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

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

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

    • TSB #010601011L

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

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

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP

    • TSB #PIP5734

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178317

      This Preliminary information communicates to the dealer a testing procedure to isolate a potential Engine Oil Pump Switching issue. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

    • TSB #PIP5712B

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190430

      This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related ... Read More »

    • TSB #PIP5712A

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190396

      This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal. Read More »

    • TSB #PIP5761

      Date Announced:
      NOV 17, 2020
      NHTSA ID:
      #10184119

      This Preliminary information communicates the possibility of a no start condition due crank sensor damage caused by increased crankcase pressure. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #20NA028

      Date Announced:
      JUL 09, 2020
      NHTSA ID:
      #10178966

      This informational bulletin is to notify dealership personnel as well as providing the customer with the usage instructions from the owner manual, that in extreme cold weather (-18?C or less / 0?F or less), a grille winter cover needs be ... Read More »

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

    • TSB #A202317281 01

      Date Announced:
      OCT 07, 2020
      NHTSA ID:
      #10183221

      Emission Recall - General Motors has decided to conduct a voluntary emission recall on certain vehicles with a 1.2L engine (RPO LIH). Read More »

    • TSB #A202317281

      Date Announced:
      OCT 02, 2020
      NHTSA ID:
      #10183219

      Emission Recall - General Motors has decided to conduct a voluntary emission recall on certain vehicles with a 1.2L engine (RPO LIH). Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #21NA014

      Date Announced:
      JAN 25, 2021
      NHTSA ID:
      #10187777

      This technical bulletin provides a procedure to relocate the ground wire from the G58 Emission Purge Pump to the engine block directly to correct the customers concern. Read More »

    • TSB #PIP5734

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178317

      This Preliminary information communicates to the dealer a testing procedure to isolate a potential Engine Oil Pump Switching issue. Read More »

    • TSB #A202302140 01

      Date Announced:
      JUN 04, 2020
      NHTSA ID:
      #10177355

      Service Update - On certain vehicles, the engine oil pump may be stuck due to foreign material, and diagnostic trouble codes (DTC) P0521, P06DE, P06DD could be set. Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #16NA383

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

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

    FUEL SYSTEM, DIESEL

    • TSB #050604022R

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

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

    FUEL SYSTEM, OTHER

    • TSB #PIP5765

      Date Announced:
      NOV 18, 2020
      NHTSA ID:
      #10184125

      This Preliminary information communicates to the technician information related to a potential fuel leak from the engine fuel rail. Read More »

    POWER TRAIN

    • TSB #PIP5712B

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190430

      This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related ... Read More »

    • TSB #N202321841 02

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190769

      Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Read More »

    • TSB #N202321841 01

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10190765

      Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Read More »

    • TSB #21NA004

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10187768

      This service bulletin provides information explaining possible normal CVT automatic transmission performance. Read More »

    • TSB #16NA019

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

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

    • TSB #16NA019

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

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

    • TSB #16NA019

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

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

    • TSB #A202299960 01

      Date Announced:
      JUN 15, 2020
      NHTSA ID:
      #10177362

      Service Update - The gear shift lever may have a detent feel between Park and Reverse caused by the fastening bolt that is not fully seated and contacting the shifter housing. Read More »

    • TSB #20NA120

      Date Announced:
      JUN 01, 2020
      NHTSA ID:
      #10178275

      This informational bulletin explains how to check if the pulley and/or drive chain has any damage caused by low fluid or a code set that causes the transmission to default maxing out pressure. Read More »

    • TSB #A202301230

      Date Announced:
      MAY 19, 2020
      NHTSA ID:
      #10176817

      SUB - Certain 2021 model year Chevrolet Trailblazer, and 2020-2021 model year Buick Encore GX vehicles, equipped with a continuously variable ratio (CVT) transmission, may experience reduced launch performance during a quick exit from a ... Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #060089031F

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

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

    • TSB #PIE0587A

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184511

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to loss of and/or reduced propulsion and multiple DTCs set. Read More »

    • TSB #1308116001F

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

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

    • TSB #16NA361

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

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

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

    • TSB #19NA200

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176612

      This technical bulletin provides a procedure to replace the transmission auxiliary pump to correct a condition of start/stop inoperative, MIL illuminated w/DTC P2797. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

    • TSB #150089004C

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

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

    POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

    • TSB #20NA210

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183208

      This technical bulletin provides repair information to correct a customer concern of All-Wheel Drive Off and/or Service All-Wheel Drive System Messages Displayed in the DIC. Read More »

    ELECTRICAL SYSTEM

    • TSB #19NA200

      Date Announced:
      MAR 15, 2021
      NHTSA ID:
      #10191194

      This service bulletin provides a repair procedure to correct a customer concern of start/stop inoperative, MIL illuminated w/DTC P2797. Read More »

    • TSB #PIT5824

      Date Announced:
      MAR 12, 2021
      NHTSA ID:
      #10190400

      This Preliminary information communicates to the dealer that if they find the battery in the fob is low in charge to replace the fob assembly and open it to assess the battery. Read More »

    • TSB #21NA014

      Date Announced:
      JAN 25, 2021
      NHTSA ID:
      #10187777

      This technical bulletin provides a procedure to relocate the ground wire from the G58 Emission Purge Pump to the engine block directly to correct the customers concern. Read More »

    • TSB #20NA196

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183198

      This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update for TTY / TDD Operation and Continuous Improvement Changes. Read More »

    • TSB #1308116001F

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

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

    • TSB #PIC6416A

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10182566

      This Preliminary information communicates to the dealer that if the service AWD (All-Wheel Drive) or AWD (All-Wheel Drive) Off messages are on and there is a history DTC of C15C9 SYM02 set then no repairs are to be made at this time, a ... Read More »

    • TSB #PIP5675F

      Date Announced:
      OCT 14, 2020
      NHTSA ID:
      #10182554

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    • TSB #20NA135

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181691

      This technical bulletin provides repair information to correct customer concerns of Power Liftgate and/or Instrument Panel Cluster (IPC) Inoperative, No Audio, AWD/ 2WD Light Toggles Randomly, Malfunction Indicator Lamp (MIL) Illuminated ... Read More »

    • TSB #A202310450

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181656

      Service Update - Certain vehicles may have condition that a MIL illuminates on the dash and technicians may find one or more following DTC(s) sets: P2B95, P2B08, P2B09, P2B0A, P2B96, P2B00, P2B01, or P2B02. Read More »

    • TSB #20NA157

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181695

      This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »

    • TSB #19NA200

      Date Announced:
      SEP 10, 2020
      NHTSA ID:
      #10181684

      This technical bulletin provides a repair procedure to correct a customer concern of start/stop inoperative, MIL illuminated w/DTC P2797. Read More »

    • TSB #20NA157

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10180315

      This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »

    • TSB #20NA151

      Date Announced:
      JUL 28, 2020
      NHTSA ID:
      #10178983

      This technical bulletin provides a procedure to correct conditions of Engine Idle Unstable, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0011, P0014, P0016, P0017, P05CC and/or P05CE Set. Read More »

    • TSB #20NA135

      Date Announced:
      JUL 07, 2020
      NHTSA ID:
      #10178974

      This technical bulletin provides repair information to correct a customer concern of Power Liftgate and/or Instrument Panel Cluster (IPC) Inoperative, No Audio, Malfunction Indicator Lamp (MIL) Illuminated - DTC P159F-00, U0184-00, ... Read More »

    • TSB #PIP5675E

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10178346

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    • TSB #20NA135

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10178285

      This technical bulletin provides repair information to correct a customer concern of check engine lamp illuminated, DTC P159F 00 set, No Audio. Read More »

    • TSB #PIP5734

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178317

      This Preliminary information communicates to the dealer a testing procedure to isolate a potential Engine Oil Pump Switching issue. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #20NA237

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187429

      This service bulletin provides V152 radio software update information to correct customer concerns of various software issues. Read More »

    • TSB #16NA019

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

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

    • TSB #20NA165

      Date Announced:
      SEP 08, 2020
      NHTSA ID:
      #10181697

      This technical bulletin provides repair information to correct a customer concern of Flutter or Boom Noise at 1200 RPM- Service Calibration. Read More »

    • TSB #PIP5746

      Date Announced:
      AUG 26, 2020
      NHTSA ID:
      #10179653

      This Preliminary information communicates the possibility of the vehicle having dtc P2B95 in history and possibly P2B96 P2B0A, P2B08, or P2B09 due to a software anomally. Read More »

    • TSB #A202301230

      Date Announced:
      MAY 19, 2020
      NHTSA ID:
      #10176817

      SUB - Certain 2021 model year Chevrolet Trailblazer, and 2020-2021 model year Buick Encore GX vehicles, equipped with a continuously variable ratio (CVT) transmission, may experience reduced launch performance during a quick exit from a ... Read More »

    ELECTRICAL SYSTEM:ADAS:HILL START ASSIST:SOFTWARE

    • TSB #20NA210

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183208

      This technical bulletin provides repair information to correct a customer concern of All-Wheel Drive Off and/or Service All-Wheel Drive System Messages Displayed in the DIC. Read More »

    ELECTRICAL SYSTEM:PROPULSION SYSTEM

    • TSB #PIE0587A

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184511

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to loss of and/or reduced propulsion and multiple DTCs set. Read More »

    EXTERIOR LIGHTING

    • TSB #N202321841 02

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190769

      Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Read More »

    • TSB #N202321841 01

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10190765

      Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Read More »

    • TSB #N202321841

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10187224

      Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Read More »

    VISIBILITY

    • TSB #20NA028

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191200

      This bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing. Read More »

    VISIBILITY:GLASS, SIDE/REAR

    • TSB #PI0754D

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184504

      This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »

    VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS

    • TSB #PI0754D

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184504

      This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »

    VISIBILITY:SUN/MOON ROOF ASSEMBLY

    • TSB #20NA121

      Date Announced:
      JAN 20, 2021
      NHTSA ID:
      #10187758

      This service bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant. Read More »

    AIR BAGS

    • TSB #N202321841 02

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190769

      Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Read More »

    • TSB #N202321841 01

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10190765

      Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Read More »

    • TSB #N202321841

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10187224

      Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Read More »

    • TSB #PIP5675D

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176324

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    STRUCTURE

    • TSB #20NA121

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10191204

      This service bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant to correct customer concerns of Various Electrical Issues, No Start, Stall, Brake Lamp Not Off, Radio Inoperative, Remote ... Read More »

    • TSB #21NA026

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188401

      This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #PIP5704D

      Date Announced:
      JUN 22, 2020
      NHTSA ID:
      #10178338

      This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »

    • TSB #20NA121

      Date Announced:
      JUN 03, 2020
      NHTSA ID:
      #10178276

      This technical bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant. Read More »

    • TSB #PIC6416A

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176328

      This Preliminary information communicates to the dealer that if the service AWD (All-Wheel Drive) or AWD (All-Wheel Drive) Off messages are on and there is a history DTC of C15C9 SYM02 set then no repairs are to be made at this time, a ... Read More »

    STRUCTURE:BODY

    • TSB #21NA017

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10187779

      This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps. Read More »

    • TSB #18NA306

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181675

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #20NA165

      Date Announced:
      SEP 08, 2020
      NHTSA ID:
      #10181697

      This technical bulletin provides repair information to correct a customer concern of Flutter or Boom Noise at 1200 RPM- Service Calibration. Read More »

    STRUCTURE:BODY:HATCHBACK/LIFTGATE

    • TSB #20NA135

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181691

      This technical bulletin provides repair information to correct customer concerns of Power Liftgate and/or Instrument Panel Cluster (IPC) Inoperative, No Audio, AWD/ 2WD Light Toggles Randomly, Malfunction Indicator Lamp (MIL) Illuminated ... Read More »

    STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT

    • TSB #20NA122

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178277

      This informational bulletin provides Information on Proper Liftgate Adjustment. Read More »

    TIRES

    • TSB #20NA159

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10186080

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #20NA159

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10187394

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

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

    • TSB #20NA159

      Date Announced:
      AUG 14, 2020
      NHTSA ID:
      #10180317

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    WHEELS

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

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

    BACK OVER PREVENTION:SOFTWARE

    • TSB #PIT5791A

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190443

      This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent". Read More »

    • TSB #PIC6425A

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10185751

      This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released. Read More »

    • TSB #PIC6425A

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187202

      This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released. Read More »

    • TSB #PIC6425

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10185750

      This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released. Read More »

    • TSB #PIC6425

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10187201

      This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released. Read More »

    EQUIPMENT

    • TSB #18NA099

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10191191

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #18NA306

      Date Announced:
      MAR 29, 2021
      NHTSA ID:
      #10191192

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #21NA026

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188401

      This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »

    • TSB #21NA017

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10187779

      This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps. Read More »

    • TSB #21NA014

      Date Announced:
      JAN 25, 2021
      NHTSA ID:
      #10187777

      This technical bulletin provides a procedure to relocate the ground wire from the G58 Emission Purge Pump to the engine block directly to correct the customers concern. Read More »

    • TSB #PIE0605A

      Date Announced:
      JAN 21, 2021
      NHTSA ID:
      #10188413

      This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition. Read More »

    • TSB #21NA004

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10187768

      This service bulletin provides information explaining possible normal CVT automatic transmission performance. Read More »

    • TSB #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186065

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187379

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #N202321920

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10186054

      Service Update. A small number of vehicles may have a coolant inlet pipe that may present an obstructed threaded hole for the coolant temp sensor which could result in the check engine light coming on or a potential coolant leak. Read More »

    • TSB #010601011L

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

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

    • TSB #010601011L

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

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

    • TSB #19NA223

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10186074

      This service bulletin provides information for dealers/technicians on a normal characteristic of Brake Pedal - Excessive Click Noise with Slight Press of the Brake Pedal. Read More »

    • TSB #090604026S

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

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

    • TSB #090604026S

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

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

    • TSB #20NA028

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186076

      This bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing. Read More »

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186105

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #1308116001F

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

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

    • TSB #060089026Q

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10183780

      This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #18NA306

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181675

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #20NA157

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181695

      This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »

    • TSB #20NA135

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10178285

      This technical bulletin provides repair information to correct a customer concern of check engine lamp illuminated, DTC P159F 00 set, No Audio. Read More »

    • TSB #A202304840

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10177361

      SUB - Certain 2020-2021 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. Read More »

    • TSB #PIP5691A

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10174867

      The Preliminary Information communication advises the technician that there is a part restriction for the 1.3L L3T engine. The dealer technician is advised to call the GM Product Quality Center for further assistance. Read More »

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

    • TSB #PIT5791A

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190443

      This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent". Read More »

    • TSB #20NA237

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187429

      This service bulletin provides V152 radio software update information to correct customer concerns of various software issues. Read More »

    • TSB #PIT5791

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184098

      This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent". Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #PIE0605

      Date Announced:
      DEC 09, 2020
      NHTSA ID:
      #10186120

      This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition. Read More »

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187626

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #18NA263

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10184480

      This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »

    • TSB #110089005P

      Date Announced:
      SEP 30, 2020
      NHTSA ID:
      #10181724

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #20NA028

      Date Announced:
      JUL 09, 2020
      NHTSA ID:
      #10178966

      This informational bulletin is to notify dealership personnel as well as providing the customer with the usage instructions from the owner manual, that in extreme cold weather (-18?C or less / 0?F or less), a grille winter cover needs be ... Read More »

    • TSB #090089002R

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10175854

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #21NA026

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188401

      This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »

    • TSB #21NA017

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10187779

      This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps. Read More »

    • TSB #090604026S

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

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

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #20NA028

      Date Announced:
      JUL 09, 2020
      NHTSA ID:
      #10178966

      This informational bulletin is to notify dealership personnel as well as providing the customer with the usage instructions from the owner manual, that in extreme cold weather (-18?C or less / 0?F or less), a grille winter cover needs be ... Read More »

    • TSB #A202304840

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10177361

      SUB - Certain 2020-2021 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. Read More »

    • TSB #19NA200

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176612

      This technical bulletin provides a procedure to replace the transmission auxiliary pump to correct a condition of start/stop inoperative, MIL illuminated w/DTC P2797. Read More »

    • TSB #16NA383

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

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

    • TSB #090089002R

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10175854

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #20NA028

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186076

      This bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing. Read More »

    EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

    • TSB #PIT5791

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184098

      This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent". Read More »

    Browse Other Trailblazer Years