Chevrolet Trailblazer Service Bulletins

964 manufacturer communications on file.

• January 8, 2024•Document ID: 10249535

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PI0592I

  Date Added:

  February 2, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).

  Associated Products (127)

  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+ 107 more
  Associated Documents

  • DownloadMC-10249535-0001.pdf↗
• December 19, 2023•Document ID: 10248715

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN; EQUIPMENT

  Mfr Comm. #:

  23-NA-119

  Date Added:

  January 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set.

  Associated Products (9)

  2023 Buick Encore GX2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Malibu2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10248715-0001.pdf↗
• December 18, 2023•Document ID: 10249295

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIT5074P

  Date Added:

  January 29, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.

  Associated Products (51)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 31 more
  Associated Documents

  • DownloadMC-10249295-0001.pdf↗
• December 18, 2023•Document ID: 10248716

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  23-NA-122

  Date Added:

  January 13, 2024

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides a procedure to fix an oil leak from a porous area at the cylinder head and how to fix it so that the engine does not have to be replaced.

  Associated Products (10)

  2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10248716-0001.pdf↗
• December 15, 2023•Document ID: 10249294

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS

  Mfr Comm. #:

  PIT5962A

  Date Added:

  January 29, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

  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-10249294-0001.pdf↗
• December 14, 2023•Document ID: 10247551

  Service Bulletin/Repair Instructions
  STRUCTURE; STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS

  Mfr Comm. #:

  23-NA-218

  Date Added:

  December 21, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to correct a customer concern of a Rear Side Door Weatherstrip Coming Loose.

  Associated Products (4)

  2024 Chevrolet Trailblazer2023 Chevrolet Trailblazer2022 Chevrolet Trailblazer2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10247551-0001.pdf↗
• December 12, 2023•Document ID: 10247552

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

  Mfr Comm. #:

  23-NA-219

  Date Added:

  December 21, 2023

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.

  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-10247552-0001.pdf↗
• 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↗
• December 4, 2023•Document ID: 10246078

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

  Mfr Comm. #:

  N232418200

  Date Added:

  December 5, 2023

  Manufacturer:

  CHEVROLET

  Summary

  Emission Recall - General Motors has decided to conduct a voluntary emissions recall involving certain vehicles. The Vehicle Emissions Control Information (VECI) label may not have been installed. Additionally, other documentation including the owner’s portfolio and Monroney Label may not have been provided with the vehicle. Dealers are to install a VECI label and provide the owner with the owner’s portfolio and Monroney label.

  Associated Products (3)

  2024 Buick Encore GX2024 Chevrolet Trax2023 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10246078-0001.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 28, 2023•Document ID: 10246493

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

  Mfr Comm. #:

  PIE0758A

  Date Added:

  December 9, 2023

  Manufacturer:

  BUICK

  Summary

  This engineering information (EI) Lite closure ends the need for requesting technicians to use the steps in the Field Product Report (FPR) App in regard customers finding engine oil under the vehicle.

  Associated Products (2)

  2023 Buick Encore GX2023 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10246493-0001.pdf↗
• November 22, 2023•Document ID: 10246477

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-119

  Date Added:

  December 9, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to replace the shifter if the park switch has been found with bad pins, causing the customers concern.

  Associated Products (9)

  2023 Buick Encore GX2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Malibu2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10246477-0001.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 17, 2023•Document ID: 10245571

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  23-NA-058

  Date Added:

  November 29, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides a procedure to test the turbo wastegate regulator valve before replacing the turbo for a possible rattle and/or code concern.

  Associated Products (6)

  2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10245571-0001.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 14, 2023•Document ID: 10247353

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIP5944A

  Date Added:

  December 18, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication advises the technician to determine if the incorrect part number TCM has been installed causing DTC P30D9 to set

  Associated Products (9)

  2023 Buick Encore2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore2022 Chevrolet Malibu2022 Chevrolet Trailblazer2021 Buick Encore2021 Chevrolet Malibu2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10247353-0001.pdf↗