Chevrolet Trailblazer Service Bulletins

964 manufacturer communications on file.

• January 22, 2025•Document ID: 11013445

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5995A

  Date Added:

  February 3, 2025

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to the dealer the location of the rear child seat latch anchor locations.

  Associated Products (13)

  2025 Buick Encore GX2025 Buick Envista2025 Chevrolet Trailblazer2025 Chevrolet Trax2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11013445-0001.pdf↗
• January 17, 2025•Document ID: 11013244

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

  Mfr Comm. #:

  21-NA-293

  Date Added:

  January 30, 2025

  Manufacturer:

  BUICK

  Summary

  This technical bulletin provides repair information to correct a customer concern of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler Icing - Malfunction Indicator Lamp (MIL) Illuminated, DTC P0299, P0234, P0236, P00C7 Set.

  Associated Products (6)

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

  • DownloadMC-11013244-0001.pdf↗
• January 17, 2025•Document ID: 11012972

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5929B

  Date Added:

  January 20, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.

  Associated Products (12)

  2025 Buick Encore GX2025 Chevrolet Trailblazer2025 Chevrolet Trax2024 Buick Encore GX2024 Chevrolet Trailblazer2024 Chevrolet Trax2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11012972-0001.pdf↗
• January 16, 2025•Document ID: 11012961

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  PIP6037

  Date Added:

  January 20, 2025

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates a potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings.

  Associated Products (10)

  2025 Buick Encore GX2025 Chevrolet Trailblazer2024 Buick Encore GX2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11012961-0001.pdf↗
• January 16, 2025•Document ID: 11012959

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6539A

  Date Added:

  January 20, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the technician the normal operation of the heated steering wheel during a remote start event.

  Associated Products (8)

  2025 Buick Encore GX2025 Buick Envista2025 Chevrolet Trailblazer2025 Chevrolet Trax2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-11012959-0001.pdf↗
• January 14, 2025•Document ID: 11012883

  Warranty Program/Extension
  ENGINE

  Mfr Comm. #:

  N242484750

  Date Added:

  January 16, 2025

  Manufacturer:

  CHEVROLET

  Summary

  Special Coverage. Certain vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to fail. If this condition occurs, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Additionally, a message may be displayed indicating the vehicle’s available engine power is reduced. Dealers are to replace the turbocharger as necessary. The repairs will be made at no charge to the customer.

  Associated Products (2)

  2022 Buick Encore GX2022 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11012883-0001.pdf↗
• January 11, 2025•Document ID: 11013147

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  PIE0810A

  Date Added:

  January 28, 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 he Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC).

  Associated Products (4)

  2025 Buick Encore GX2025 Buick Envista2025 Chevrolet Trailblazer2025 Chevrolet Trax
  Associated Documents

  • DownloadMC-11013147-0001.pdf↗
• January 10, 2025•Document ID: 11013892

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  25-NA-001

  Date Added:

  February 6, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.

  Associated Products (21)

  2025 Buick Enclave2025 Buick Encore GX2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore GX2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 GMC Acadia+ 1 more
  Associated Documents

  • DownloadMC-11013892-0001.pdf↗
• January 9, 2025•Document ID: 11013069

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

  Mfr Comm. #:

  09-06-04-026Z

  Date Added:

  January 23, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (144)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Tahoe2025 Chevrolet Trailblazer2025 Chevrolet Traverse+ 124 more
  Associated Documents

  • DownloadMC-11013069-0001.pdf↗
• January 9, 2025•Document ID: 11012945

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP6036

  Date Added:

  January 20, 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-11012945-0001.pdf↗
• January 8, 2025•Document ID: 11012937

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6589

  Date Added:

  January 20, 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-11012937-0001.pdf↗
• January 7, 2025•Document ID: 11012929

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20-NA-132

  Date Added:

  January 18, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (169)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 149 more
  Associated Documents

  • DownloadMC-11012929-0001.pdf↗
• January 4, 2025•Document ID: 11012930

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  07-00-89-037U

  Date Added:

  January 18, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (169)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 149 more
  Associated Documents

  • DownloadMC-11012930-0001.pdf↗
• December 17, 2024•Document ID: 11012881

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-084

  Date Added:

  January 16, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to correct a customer concern of software related issues with release of Radio Software Version 169.3.

  Associated Products (4)

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

  • DownloadMC-11012881-0001.pdf↗
• December 16, 2024•Document ID: 11012013

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  PIP5929A

  Date Added:

  December 20, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.

  Associated Products (8)

  2025 Chevrolet Trax2024 Chevrolet Trax2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11012013-0001.pdf↗
• December 14, 2024•Document ID: 11012692

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  22-NA-053

  Date Added:

  January 9, 2025

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.

  Associated Products (134)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 114 more
  Associated Documents

  • DownloadMC-11012692-0001.pdf↗
• December 14, 2024•Document ID: 11012691

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  22-NA-038

  Date Added:

  January 9, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.

  Associated Products (126)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 106 more
  Associated Documents

  • DownloadMC-11012691-0001.pdf↗
• December 14, 2024•Document ID: 11012690

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  18-NA-263

  Date Added:

  January 9, 2025

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (169)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 149 more
  Associated Documents

  • DownloadMC-11012690-0001.pdf↗
• December 13, 2024•Document ID: 11012849

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0810

  Date Added:

  January 15, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (4)

  2025 Buick Encore GX2025 Buick Envista2025 Chevrolet Trailblazer2025 Chevrolet Trax
  Associated Documents

  • DownloadMC-11012849-0001.pdf↗
• December 11, 2024•Document ID: 11011865

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP6033

  Date Added:

  December 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to technicians to remove the pulley assembly and inspect the drive chain and pulley surfaces.

  Associated Products (10)

  2025 Chevrolet Equinox2024 Buick Encore GX2024 Chevrolet Malibu2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11011865-0001.pdf↗