Chevrolet Trailblazer Service Bulletins

964 manufacturer communications on file.

• December 11, 2024•Document ID: 11011864

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP6032

  Date Added:

  December 16, 2024

  Manufacturer:

  BUICK

  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:

  BUICK

  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:

  CHEVROLET

  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)

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  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:

  CHEVROLET

  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)

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  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:

  GMC

  Summary

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

  Associated Products (168)

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  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:

  CADILLAC

  Summary

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

  Associated Products (92)

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  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:

  CHEVROLET

  Summary

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

  Associated Products (92)

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  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:

  BUICK

  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)

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  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↗
• November 25, 2024•Document ID: 11011996

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  22-NA-238

  Date Added:

  December 19, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.

  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-11011996-0001.pdf↗
• November 22, 2024•Document ID: 11011900

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  19-NA-219

  Date Added:

  December 17, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.

  Associated Products (155)

  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+ 135 more
  Associated Documents

  • DownloadMC-11011900-0001.pdf↗
• November 21, 2024•Document ID: 11011339

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP6025

  Date Added:

  December 4, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates possible transmission fluid leak in the torque converter housing area from loose pump bolts.

  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-11011339-0001.pdf↗
• November 18, 2024•Document ID: 11011904

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21-NA-181

  Date Added:

  December 18, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.

  Associated Products (42)

  2025 Buick Encore GX2025 Buick Envision2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Trailblazer2024 Buick Encore GX2024 Buick Envision2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 GMC Terrain2023 Buick Encore GX2023 Buick Envision2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT6+ 22 more
  Associated Documents

  • DownloadMC-11011904-0001.pdf↗
• November 8, 2024•Document ID: 11011714

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  24-NA-072

  Date Added:

  December 10, 2024

  Manufacturer:

  BUICK

  Summary

  This technical bulletin provides a procedure a squeal noise heard from the front of the vehicle during light brake pedal application.

  Associated Products (8)

  2024 Buick Encore GX2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11011714-0001.pdf↗
• November 6, 2024•Document ID: 11010037

  Warranty Program/Extension
  ENGINE

  Mfr Comm. #:

  N242450640

  Date Added:

  November 6, 2024

  Manufacturer:

  BUICK

  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)

  2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11010037-0001.pdf↗
• November 5, 2024•Document ID: 11011709

  Service Bulletin/Repair Instructions
  WHEELS; UNKNOWN OR OTHER; SERVICE BRAKES; ENGINE; STRUCTURE:BODY

  Mfr Comm. #:

  21-NA-043

  Date Added:

  December 10, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.

  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-11011709-0001.pdf↗