Chevrolet Trailblazer Service Bulletins (2025)

268 manufacturer communications on file.

• May 8, 2025•Document ID: 11023051

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

  Mfr Comm. #:

  25-NA-118

  Date Added:

  September 10, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.

  Associated Products (196)

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  Associated Documents

  • DownloadMC-11023051-0001.pdf↗
• May 8, 2025•Document ID: 11018439

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6036B

  Date Added:

  May 19, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates diagnostic aids for a surge or fishbite concern.

  Associated Products (14)

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  Associated Documents

  • DownloadMC-11018439-0001.pdf↗
• May 8, 2025•Document ID: 11018436

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6063

  Date Added:

  May 19, 2025

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates a possible location of an oil leak near the turbocharger. This diagnostic aid provides what to inspect for the location of the oil leak. Replacing the gasket is the solution.

  Associated Products (2)

  2025 Buick Encore GX2025 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11018436-0001.pdf↗
• May 7, 2025•Document ID: 11020254

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  15-NA-010

  Date Added:

  July 7, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.

  Associated Products (183)

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  Associated Documents

  • DownloadMC-11020254-0001.pdf↗
• April 29, 2025•Document ID: 11017785

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5958B

  Date Added:

  May 5, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates the process for recording transmission noises using the PicoScope For review.

  Associated Products (17)

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  Associated Documents

  • DownloadMC-11017785-0001.pdf↗
• April 24, 2025•Document ID: 11019545

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-242

  Date Added:

  June 16, 2025

  Manufacturer:

  GMC

  Summary

  This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.

  Associated Products (130)

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  Associated Documents

  • DownloadMC-11019545-0001.pdf↗
• April 22, 2025•Document ID: 11019725

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0831

  Date Added:

  June 25, 2025

  Manufacturer:

  BUICK

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC).

  Associated Products (4)

  2025 Buick Encore GX2025 Chevrolet Trailblazer2024 Buick Encore GX2024 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11019725-0001.pdf↗
• April 18, 2025•Document ID: 11019503

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  25-NA-100

  Date Added:

  June 12, 2025

  Manufacturer:

  CADILLAC

  Summary

  This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000-mile Emission Select State Component Limited Warranty.

  Associated Products (173)

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  Associated Documents

  • DownloadMC-11019503-0001.pdf↗
• April 18, 2025•Document ID: 11017304

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6589A

  Date Added:

  April 29, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the techicians a diagnostic tip if a customer has a complaint of a whistle/wind noise at highway speeds.

  Associated Products (5)

  2025 Chevrolet Trailblazer2024 Chevrolet Trailblazer2023 Chevrolet Trailblazer2022 Chevrolet Trailblazer2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11017304-0001.pdf↗
• April 17, 2025•Document ID: 11019516

  Service Bulletin/Repair Instructions
  STEERING; SUSPENSION; POWER TRAIN

  Mfr Comm. #:

  PI0281L

  Date Added:

  June 12, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.

  Associated Products (162)

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  Associated Documents

  • DownloadMC-11019516-0001.pdf↗
• April 16, 2025•Document ID: 11017257

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6552E

  Date Added:

  April 28, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates how to recover the Image Processing Module.

  Associated Products (99)

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  Associated Documents

  • DownloadMC-11017257-0001.pdf↗
• April 12, 2025•Document ID: 11016992

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6593A

  Date Added:

  April 15, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the technician what to do when they encounter a service charging system message with a DTC P0621.

  Associated Products (4)

  2025 Buick Encore GX2025 Chevrolet Trailblazer2024 Buick Encore GX2024 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11016992-0001.pdf↗
• April 12, 2025•Document ID: 11016990

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5551R

  Date Added:

  April 15, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

  Associated Products (113)

  2025 Buick Enclave2025 Buick Envista2025 Cadillac CT42025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Tahoe2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Canyon+ 93 more
  Associated Documents

  • DownloadMC-11016990-0001.pdf↗
• April 8, 2025•Document ID: 11017839

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  07-00-89-037W

  Date Added:

  May 5, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (205)

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  Associated Documents

  • DownloadMC-11017839-0001.pdf↗
• April 3, 2025•Document ID: 11017595

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-NA-087

  Date Added:

  May 2, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.

  Associated Products (193)

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  Associated Documents

  • DownloadMC-11017595-0001.pdf↗
• April 2, 2025•Document ID: 11017430

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  20-NA-084

  Date Added:

  May 1, 2025

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information on normal engine characteristics/noise produced by the LIH or LBP engine.

  Associated Products (14)

  2025 Buick Encore GX2025 Buick Envista2025 Chevrolet Trailblazer2025 Chevrolet Trax2024 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-11017430-0001.pdf↗
• April 2, 2025•Document ID: 11016668

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP6036A

  Date Added:

  April 7, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates diagnostic aids for a surge or fishbite concern

  Associated Products (13)

  2025 Buick Encore GX2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Trailblazer2024 Buick Encore GX2024 Chevrolet Malibu2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11016668-0001.pdf↗
• March 31, 2025•Document ID: 11017244

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  13-08-116-001K

  Date Added:

  April 25, 2025

  Manufacturer:

  CADILLAC

  Summary

  The intent of this service 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.

  Associated Products (205)

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  Associated Documents

  • DownloadMC-11017244-0001.pdf↗
• March 28, 2025•Document ID: 11017256

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-021

  Date Added:

  April 28, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides a procedure to test and replace, if needed, the pressure sensor and/or the oil pump if the codes noted set due to the debris left in the pump during production.

  Associated Products (10)

  2025 Buick Encore GX2025 Buick Envista2025 Chevrolet Trailblazer2025 Chevrolet Trax2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax2023 Buick Encore GX2023 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11017256-0001.pdf↗
• March 28, 2025•Document ID: 11017247

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-242

  Date Added:

  April 26, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.

  Associated Products (129)

  2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Equinox+ 109 more
  Associated Documents

  • DownloadMC-11017247-0001.pdf↗