Chevrolet Trailblazer Service Bulletins

971 manufacturer communications on file.

• December 17, 2024•Document ID: 11012881

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  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:

  CHEVROLET

  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:

  BUICK

  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↗
• December 11, 2024•Document ID: 11011864

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP6032

  Date Added:

  December 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication advises the technician on possible sources of transmission fluid leaks from the transmission oil filter or cooler line seals .

  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-11011864-0001.pdf↗
• December 11, 2024•Document ID: 11011863

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP6031

  Date Added:

  December 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to technicians that to seperate the case halves clean the mating surfaces and replace the gasket.

  Associated Products (9)

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

  • DownloadMC-11011863-0001.pdf↗
• December 11, 2024•Document ID: 11011862

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP6030

  Date Added:

  December 16, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates the ability to disassemble inspect and replace park system components.

  Associated Products (9)

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

  • DownloadMC-11011862-0001.pdf↗
• December 10, 2024•Document ID: 11011861

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; POWER TRAIN

  Mfr Comm. #:

  PIP6029

  Date Added:

  December 16, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to Technicians how to repair a rattle noise coming from the shift cable assembly.

  Associated Products (6)

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

  • DownloadMC-11011861-0001.pdf↗
• December 7, 2024•Document ID: 11011782

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5074Q

  Date Added:

  December 12, 2024

  Manufacturer:

  CHEVROLET

  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 (54)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 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 Traverse2022 Chevrolet Trax+ 34 more
  Associated Documents

  • DownloadMC-11011782-0001.pdf↗
• December 6, 2024•Document ID: 11012189

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-064

  Date Added:

  January 3, 2025

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.

  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-11012189-0001.pdf↗
• December 6, 2024•Document ID: 11011805

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5962B

  Date Added:

  December 12, 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 (168)

  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 XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Tahoe+ 148 more
  Associated Documents

  • DownloadMC-11011805-0001.pdf↗
• December 6, 2024•Document ID: 11011694

  Service Bulletin/Repair Instructions
  LANE DEPARTURE: ASSIST; UNKNOWN OR OTHER; LANE DEPARTURE: WARNING

  Mfr Comm. #:

  PIC6587

  Date Added:

  December 9, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct.

  Associated Products (92)

  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 XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Tahoe+ 72 more
  Associated Documents

  • DownloadMC-11011694-0001.pdf↗
• December 6, 2024•Document ID: 11011693

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; LANE DEPARTURE: WARNING; LANE DEPARTURE: ASSIST

  Mfr Comm. #:

  PIC6552D

  Date Added:

  December 9, 2024

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (92)

  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 XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Tahoe+ 72 more
  Associated Documents

  • DownloadMC-11011693-0001.pdf↗
• December 5, 2024•Document ID: 11011775

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5947C

  Date Added:

  December 11, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealers information related to potential failed engine camshaft cover causing excessive engine oil consumption, blue smoke from the exhaust system at low mileage. Can also possibly cause a misfire or idle surge and may or may not set history or current codes P0300 P050D P0521 P06DE P1101. 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-11011775-0001.pdf↗
• December 5, 2024•Document ID: 11011690

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5974E

  Date Added:

  December 9, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.

  Associated Products (14)

  2025 Buick Encore GX2025 Chevrolet Trailblazer2025 Chevrolet Traverse2024 Buick Enclave2024 Buick Encore GX2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 GMC Acadia2024 GMC Terrain2023 Chevrolet Traverse
  Associated Documents

  • DownloadMC-11011690-0001.pdf↗
• November 27, 2024•Document ID: 11012003

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; VISIBILITY/WIPER

  Mfr Comm. #:

  24-NA-259

  Date Added:

  December 20, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.

  Associated Products (60)

  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 XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Tahoe+ 40 more
  Associated Documents

  • DownloadMC-11012003-0001.pdf↗
• November 27, 2024•Document ID: 11011989

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  08-07-30-035I

  Date Added:

  December 19, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.

  Associated Products (156)

  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 XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Tahoe2025 Chevrolet Trailblazer+ 136 more
  Associated Documents

  • DownloadMC-11011989-0001.pdf↗