Chevrolet Trailblazer Service Bulletins

964 manufacturer communications on file.

• May 6, 2021•Document ID: 10199249

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  20NA159

  Date Added:

  July 19, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

  Associated Products (30)

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  Associated Documents

  • DownloadMC-10199249-0001.pdf↗
• May 6, 2021•Document ID: 10198858

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  20NA159

  Date Added:

  July 6, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

  Associated Products (30)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark2021 Chevrolet Suburban+ 10 more
  Associated Documents

  • DownloadMC-10198858-0001.pdf↗
• May 6, 2021•Document ID: 10197318

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

  Mfr Comm. #:

  A202317281 02

  Date Added:

  June 14, 2021

  Manufacturer:

  BUICK

  Summary

  Emission Recall. Certain vehicles with a 1.2L engine (RPO LIH) may have received incorrect catalytic converter parts that do not meet all emission system requirements. Dealers are to inspect the catalytic converter and replace if the correct part was not installed.

  Associated Products (2)

  2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10197318-0001.pdf↗
• May 3, 2021•Document ID: 10199238

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  19NA044

  Date Added:

  July 19, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

  Associated Products (30)

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  Associated Documents

  • DownloadMC-10199238-0001.pdf↗
• May 3, 2021•Document ID: 10198847

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19NA044

  Date Added:

  July 6, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

  Associated Products (30)

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  Associated Documents

  • DownloadMC-10198847-0001.pdf↗
• April 30, 2021•Document ID: 10194079

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16NA338

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.

  Associated Products (29)

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  Associated Documents

  • DownloadMC-10194079-0001.pdf↗
• April 23, 2021•Document ID: 10194114

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21NA103

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition.

  Associated Products (31)

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  Associated Documents

  • DownloadMC-10194114-0001.pdf↗
• April 23, 2021•Document ID: 10194099

  Service Bulletin/Repair Instructions
  VEHICLE SPEED CONTROL

  Mfr Comm. #:

  21NA065

  Date Added:

  May 24, 2021

  Manufacturer:

  BUICK

  Summary

  This informational bulletin provides information to provide dealership personal the guidelines for determining warranty or non-warranty for side door window glass replacement due to scratches to avoid unnecessary debit.

  Associated Products (2)

  2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10194099-0001.pdf↗
• April 23, 2021•Document ID: 10194090

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  20NA218

  Date Added:

  May 24, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.

  Associated Products (12)

  2021 Buick Encore GX2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Terrain2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10194090-0001.pdf↗
• April 22, 2021•Document ID: 10195126

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  000601026N

  Date Added:

  June 7, 2021

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

  Associated Products (31)

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  Associated Documents

  • DownloadMC-10195126-0001.pdf↗
• April 19, 2021•Document ID: 10194092

  Service Bulletin/Repair Instructions
  PARKING BRAKE; EXTERIOR LIGHTING

  Mfr Comm. #:

  21NA016

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides a procedure to locate and repair a possible loose wire crimp in the engine wiring harness to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated.

  Associated Products (1)

  2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10194092-0001.pdf↗
• April 16, 2021•Document ID: 10194101

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  21NA068

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ (U.S. Only).

  Associated Products (31)

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  Associated Documents

  • DownloadMC-10194101-0001.pdf↗
• April 15, 2021•Document ID: 10195154

  Service Bulletin/Repair Instructions
  STEERING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0620B

  Date Added:

  June 7, 2021

  Manufacturer:

  BUICK

  Summary

  This engineering information (EI) closure ends the need for further information from the field in regards to a Service Power Steering Message Illuminated on Driver Information Center (DIC), DTC C0051 58 Set.

  Associated Products (2)

  2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10195154-0001.pdf↗
• April 14, 2021•Document ID: 10194108

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  21NA092

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to correct a customer concern of Intermittent Malfunction Indicator Lamp (MIL) Illuminated - DTC P146F Set.

  Associated Products (4)

  2021 Buick Encore2021 Buick Encore GX2021 Chevrolet Trailblazer2021 Chevrolet Trax
  Associated Documents

  • DownloadMC-10194108-0001.pdf↗
• April 13, 2021•Document ID: 10194081

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA073

  Date Added:

  May 24, 2021

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

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  Associated Documents

  • DownloadMC-10194081-0001.pdf↗
• April 9, 2021•Document ID: 10195128

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  050308002I

  Date Added:

  June 7, 2021

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.

  Associated Products (31)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 4500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark+ 11 more
  Associated Documents

  • DownloadMC-10195128-0001.pdf↗
• April 7, 2021•Document ID: 10194082

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA146

  Date Added:

  May 24, 2021

  Manufacturer:

  CADILLAC

  Summary

  This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).

  Associated Products (30)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark2021 Chevrolet Suburban+ 10 more
  Associated Documents

  • DownloadMC-10194082-0001.pdf↗
• April 6, 2021•Document ID: 10195149

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  070089036J

  Date Added:

  June 7, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.

  Associated Products (64)

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  Associated Documents

  • DownloadMC-10195149-0001.pdf↗
• April 6, 2021•Document ID: 10195127

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  020089002T

  Date Added:

  June 7, 2021

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).

  Associated Products (31)

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  Associated Documents

  • DownloadMC-10195127-0001.pdf↗
• April 6, 2021•Document ID: 10193432

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

  Mfr Comm. #:

  PIT5831

  Date Added:

  May 17, 2021

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to dealer that if a P146F is setting intermittently that engineering is working on a calibration and no repairs are to be competed at this time.

  Associated Products (2)

  2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10193432-0001.pdf↗