Chevrolet Trailblazer Service Bulletins (2024)

412 manufacturer communications on file.

• December 8, 2023•Document ID: 10247192

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20-NA-132

  Date Added:

  December 15, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

  Associated Products (139)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 119 more
  Associated Documents

  • DownloadMC-10247192-0001.pdf↗
• December 7, 2023•Document ID: 10249275

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5947A

  Date Added:

  January 29, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealers information related to potential failed engine camshaft cover causing excessive engine oil consumption and blue smoke from the exhaust system at low mileage. It advises inspections for potential engine camshaft cover replacement.

  Associated Products (4)

  2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-10249275-0001.pdf↗
• December 7, 2023•Document ID: 10247194

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  23-NA-214

  Date Added:

  December 15, 2023

  Manufacturer:

  BUICK

  Summary

  This informational bulletin provides Information on Purge Pump Part Replacement and Purge Part Number Interchange.

  Associated Products (47)

  2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Colorado2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Acadia2024 GMC Canyon2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT4+ 27 more
  Associated Documents

  • DownloadMC-10247194-0001.pdf↗
• November 29, 2023•Document ID: 10247375

  Service Bulletin/Repair Instructions
  TRAILER HITCHES

  Mfr Comm. #:

  PIC6509C

  Date Added:

  December 18, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer on what to do if a loose or missing tow eye bolt cover is found.

  Associated Products (4)

  2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-10247375-0001.pdf↗
• November 21, 2023•Document ID: 10246479

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE; EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-145

  Date Added:

  December 9, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to correct Radio Software issues with software update version 167.5.

  Associated Products (4)

  2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-10246479-0001.pdf↗
• November 16, 2023•Document ID: 10246274

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-204

  Date Added:

  December 6, 2023

  Manufacturer:

  BUICK

  Summary

  This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message Intermittently Displayed on the DIC.

  Associated Products (4)

  2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-10246274-0001.pdf↗
• November 16, 2023•Document ID: 10245570

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN

  Mfr Comm. #:

  23-NA-021

  Date Added:

  November 29, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.

  Associated Products (44)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 GMC Terrain2023 Buick Enclave2023 Buick Encore GX2023 Buick Envision2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Terrain+ 24 more
  Associated Documents

  • DownloadMC-10245570-0001.pdf↗
• November 16, 2023•Document ID: 10245559

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  21-NA-135

  Date Added:

  November 29, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

  Associated Products (126)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 106 more
  Associated Documents

  • DownloadMC-10245559-0001.pdf↗
• November 7, 2023•Document ID: 10245401

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  20-NA-120

  Date Added:

  November 22, 2023

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (12)

  2024 Buick Encore GX2024 Chevrolet Malibu2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Malibu2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10245401-0001.pdf↗
• November 6, 2023•Document ID: 10245395

  Service Bulletin/Repair Instructions
  WHEELS; STEERING; POWER TRAIN; SUSPENSION; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  03-00-91-001I

  Date Added:

  November 22, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

  Associated Products (138)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 118 more
  Associated Documents

  • DownloadMC-10245395-0001.pdf↗
• November 2, 2023•Document ID: 10245352

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; EQUIPMENT

  Mfr Comm. #:

  23-NA-086

  Date Added:

  November 20, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.

  Associated Products (20)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 Chevrolet Trax2023 Buick Enclave2023 Buick Encore GX2023 Chevrolet Blazer2023 Chevrolet Trailblazer2023 Chevrolet Traverse2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Chevrolet Trailblazer2022 Chevrolet Traverse2021 Buick Encore2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10245352-0001.pdf↗
• October 30, 2023•Document ID: 10246028

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

  Mfr Comm. #:

  PIP5947

  Date Added:

  December 4, 2023

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to the dealers information related to potential failed engine camshaft cover causing excessive engine oil consumption and blue smoke from the exhaust system at low mileage. It advises inspections for potential engine camshaft cover replacement.

  Associated Products (4)

  2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-10246028-0001.pdf↗
• October 30, 2023•Document ID: 10245252

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

  Mfr Comm. #:

  23-NA-145

  Date Added:

  November 15, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to correct Radio Software issues with software update version 167.5.

  Associated Products (4)

  2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-10245252-0001.pdf↗
• October 30, 2023•Document ID: 10245250

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  20-NA-159

  Date Added:

  November 15, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (126)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 106 more
  Associated Documents

  • DownloadMC-10245250-0001.pdf↗
• October 25, 2023•Document ID: 10245248

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-189

  Date Added:

  November 15, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.

  Associated Products (138)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 118 more
  Associated Documents

  • DownloadMC-10245248-0001.pdf↗
• October 19, 2023•Document ID: 10245233

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT

  Mfr Comm. #:

  23-NA-145

  Date Added:

  November 15, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to correct Radio Software issues with software update version 167.5.

  Associated Products (4)

  2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-10245233-0001.pdf↗
• October 17, 2023•Document ID: 10244330

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  A23-241580

  Date Added:

  October 29, 2023

  Manufacturer:

  CHEVROLET

  Summary

  '(There may be future updates under this same release number.) Your vehicle keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: • Updates made to the center display and instrument cluster to help address intermittent display issues. • Updates made to the wireless functionality to help improve phone projection setup and capabilities. • Updates made to the overall vehicle software update process to help improve software installation. • A variety of other minor software updates to help make your driving and in-vehicle experience better. Better Never Stops™ .

  Associated Products (4)

  2024 Buick Encore2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-10244330-0001.pdf↗
• October 11, 2023•Document ID: 10244326

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  05-00-89-029F

  Date Added:

  October 29, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.

  Associated Products (138)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 118 more
  Associated Documents

  • DownloadMC-10244326-0001.pdf↗
• October 9, 2023•Document ID: 10245995

  Service Bulletin/Repair Instructions
  PARKING BRAKE

  Mfr Comm. #:

  PIC6509B

  Date Added:

  December 4, 2023

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to the dealer on what to do if a loose or missing tow eye bolt cover is found.

  Associated Products (4)

  2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-10245995-0001.pdf↗
• October 6, 2023•Document ID: 10244274

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  17-NA-170

  Date Added:

  October 25, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.

  Associated Products (138)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 118 more
  Associated Documents

  • DownloadMC-10244274-0001.pdf↗