Chevrolet Trailblazer Service Bulletins

971 manufacturer communications on file.

• April 10, 2024•Document ID: 10253527

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  20-NA-132

  Date Added:

  April 23, 2024

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (136)

  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+ 116 more
  Associated Documents

  • DownloadMC-10253527-0001.pdf↗
• April 8, 2024•Document ID: 10253529

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN

  Mfr Comm. #:

  23-NA-119

  Date Added:

  April 23, 2024

  Manufacturer:

  BUICK

  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-10253529-0001.pdf↗
• April 8, 2024•Document ID: 10253526

  Service Bulletin/Repair Instructions
  EQUIPMENT; WHEELS

  Mfr Comm. #:

  17-NA-052

  Date Added:

  April 23, 2024

  Manufacturer:

  BUICK

  Summary

  This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.

  Associated Products (136)

  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+ 116 more
  Associated Documents

  • DownloadMC-10253526-0001.pdf↗
• April 2, 2024•Document ID: 10252991

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

  Mfr Comm. #:

  24-NA-064

  Date Added:

  April 10, 2024

  Manufacturer:

  BUICK

  Summary

  This service bulletin advises the tech to re-program the ECM to correct a customer concern of the MIL Illuminated w/DTCs P0324 and/or P0116 Set.

  Associated Products (4)

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

  • DownloadMC-10252991-0001.pdf↗
• March 28, 2024•Document ID: 10252735

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  10-08-45-001H

  Date Added:

  April 5, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

  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-10252735-0001.pdf↗
• March 26, 2024•Document ID: 10252774

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT

  Mfr Comm. #:

  20-NA-132

  Date Added:

  April 5, 2024

  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-10252774-0001.pdf↗
• March 25, 2024•Document ID: 10252824

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN

  Mfr Comm. #:

  24-NA-009

  Date Added:

  April 6, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin advises the technician to replace valve body first to determine if that is the issue for and if not, to inspect internal parts of transmission for any signs of abnormal wear to correct customer concerns of Loss of Forward gear, slipping, MIL.

  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-10252824-0001.pdf↗
• March 22, 2024•Document ID: 10253104

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

  Mfr Comm. #:

  PIC6486E

  Date Added:

  April 15, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.

  Associated Products (37)

  2024 Buick Encore GX2024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Acadia2024 GMC Terrain2023 Buick Encore GX2023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 Chevrolet Trax2023 GMC Acadia2023 GMC Terrain+ 17 more
  Associated Documents

  • DownloadMC-10253104-0001.pdf↗
• March 21, 2024•Document ID: 10252126

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

  Mfr Comm. #:

  23-NA-103

  Date Added:

  March 29, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).

  Associated Products (146)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Terrain2024 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 Blazer+ 126 more
  Associated Documents

  • DownloadMC-10252126-0001.pdf↗
• March 20, 2024•Document ID: 10252123

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

  Mfr Comm. #:

  24-NA-060

  Date Added:

  March 29, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to correct a customer concerns of Radio Software issues.

  Associated Products (60)

  2024 Buick Enclave2024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Equinox2024 Chevrolet Malibu2024 GMC Terrain2023 Buick Enclave2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro+ 40 more
  Associated Documents

  • DownloadMC-10252123-0001.pdf↗
• March 19, 2024•Document ID: 10252118

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  23-NA-135

  Date Added:

  March 29, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the changes to some of the 9-speed oil control changes from previous years.

  Associated Products (20)

  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
  Associated Documents

  • DownloadMC-10252118-0001.pdf↗
• March 15, 2024•Document ID: 10251923

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

  Mfr Comm. #:

  23-NA-058

  Date Added:

  March 20, 2024

  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-10251923-0001.pdf↗
• March 14, 2024•Document ID: 10251615

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

  Mfr Comm. #:

  A222379711

  Date Added:

  March 14, 2024

  Manufacturer:

  CHEVROLET

  Summary

  Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles. The Engine Control Module (ECM) may not clear the permanent status of DTC P0521 (Engine Oil Pressure Sensor Performance). If the ECM had previously set a DTC P0521 and the permanent status is not properly cleared, the vehicle may not pass certain Emissions Inspection/Maintenance (I/M) tests. Dealers are to reprogram the ECM.

  Associated Products (6)

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

  • DownloadMC-10251615-0001.pdf↗
• March 13, 2024•Document ID: 10251890

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  16-NA-383

  Date Added:

  March 19, 2024

  Manufacturer:

  CHEVROLET

  Summary

  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 should be used to reduce carbon build-up.

  Associated Products (128)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer+ 108 more
  Associated Documents

  • DownloadMC-10251890-0001.pdf↗
• March 11, 2024•Document ID: 10251907

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

  Mfr Comm. #:

  23-NA-058

  Date Added:

  March 19, 2024

  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-10251907-0001.pdf↗
• March 11, 2024•Document ID: 10251888

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  07-00-89-037S

  Date Added:

  March 19, 2024

  Manufacturer:

  BUICK

  Summary

  This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

  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-10251888-0001.pdf↗
• March 10, 2024•Document ID: 10251889

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  11-00-89-005X

  Date Added:

  March 19, 2024

  Manufacturer:

  BUICK

  Summary

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

  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-10251889-0001.pdf↗
• March 4, 2024•Document ID: 10253061

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; SERVICE BRAKES

  Mfr Comm. #:

  PIP5596A

  Date Added:

  April 15, 2024

  Manufacturer:

  CHEVROLET

  Summary

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

  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-10253061-0001.pdf↗
• March 4, 2024•Document ID: 10251635

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

  Mfr Comm. #:

  24-NA-040

  Date Added:

  March 15, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.

  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-10251635-0001.pdf↗
• March 1, 2024•Document ID: 10251513

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  17-NA-073

  Date Added:

  March 7, 2024

  Manufacturer:

  CADILLAC

  Summary

  This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

  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-10251513-0001.pdf↗