Chevrolet Trailblazer Service Bulletins

964 manufacturer communications on file.

• December 22, 2020•Document ID: 10185750

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  PIC6425

  Date Added:

  January 25, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released.

  Associated Products (11)

  2021 Buick Encore GX2021 Buick Envision2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Malibu2021 Chevrolet Trailblazer2021 GMC Acadia
  Associated Documents

  • DownloadMC-10185750-0001.pdf↗
• December 21, 2020•Document ID: 10186054

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  N202321920

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

  Service Update. A small number of vehicles may have a coolant inlet pipe that may present an obstructed threaded hole for the coolant temp sensor which could result in the check engine light coming on or a potential coolant leak. Dealers are to replace the coolant inlet pipe and temperature sensor.

  Associated Products (4)

  2021 Cadillac XT42021 Cadillac XT52021 Chevrolet Trailblazer2021 GMC Acadia
  Associated Documents

  • DownloadMC-10186054-0001.pdf↗
• December 16, 2020•Document ID: 10187625

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

  Mfr Comm. #:

  010601011L

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

  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-10187625-0001.pdf↗
• December 16, 2020•Document ID: 10186104

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; EQUIPMENT

  Mfr Comm. #:

  010601011L

  Date Added:

  February 1, 2021

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

  Associated Products (29)

  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 Suburban2021 Chevrolet Tahoe+ 9 more
  Associated Documents

  • DownloadMC-10186104-0001.pdf↗
• December 11, 2020•Document ID: 10187392

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20NA084

  Date Added:

  February 22, 2021

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (2)

  2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10187392-0001.pdf↗
• December 11, 2020•Document ID: 10187388

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  19NA223

  Date Added:

  February 22, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers/technicians on a normal characteristic of Brake Pedal - Excessive Click Noise with Slight Press of the Brake Pedal.

  Associated Products (2)

  2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10187388-0001.pdf↗
• December 11, 2020•Document ID: 10186078

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20NA084

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (2)

  2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10186078-0001.pdf↗
• December 11, 2020•Document ID: 10186074

  Service Bulletin/Repair Instructions
  EQUIPMENT; SERVICE BRAKES

  Mfr Comm. #:

  19NA223

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers/technicians on a normal characteristic of Brake Pedal - Excessive Click Noise with Slight Press of the Brake Pedal.

  Associated Products (2)

  2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10186074-0001.pdf↗
• December 9, 2020•Document ID: 10187741

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  PIE0605

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition.

  Associated Products (1)

  2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10187741-0001.pdf↗
• December 9, 2020•Document ID: 10186120

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

  Mfr Comm. #:

  PIE0605

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition.

  Associated Products (1)

  2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10186120-0001.pdf↗
• December 8, 2020•Document ID: 10187627

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:GASOLINE; EQUIPMENT

  Mfr Comm. #:

  090604026S

  Date Added:

  March 1, 2021

  Manufacturer:

  CADILLAC

  Summary

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

  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-10187627-0001.pdf↗
• December 8, 2020•Document ID: 10186106

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  090604026S

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

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

  Associated Products (29)

  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 Suburban2021 Chevrolet Tahoe+ 9 more
  Associated Documents

  • DownloadMC-10186106-0001.pdf↗
• December 4, 2020•Document ID: 10187394

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  20NA159

  Date Added:

  February 22, 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-10187394-0001.pdf↗
• December 4, 2020•Document ID: 10186080

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  20NA159

  Date Added:

  February 1, 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 (29)

  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 Suburban2021 Chevrolet Tahoe+ 9 more
  Associated Documents

  • DownloadMC-10186080-0001.pdf↗
• December 1, 2020•Document ID: 10187626

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

  Mfr Comm. #:

  040089015V

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (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-10187626-0001.pdf↗
• December 1, 2020•Document ID: 10187390

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20NA028

  Date Added:

  February 22, 2021

  Manufacturer:

  BUICK

  Summary

  This bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing.

  Associated Products (2)

  2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10187390-0001.pdf↗
• December 1, 2020•Document ID: 10187372

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16NA019

  Date Added:

  February 22, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

  Associated Products (25)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 Chevrolet Traverse2021 Chevrolet Trax2021 GMC Acadia+ 5 more
  Associated Documents

  • DownloadMC-10187372-0001.pdf↗
• December 1, 2020•Document ID: 10186105

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  040089015V

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (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-10186105-0001.pdf↗
• December 1, 2020•Document ID: 10186076

  Service Bulletin/Repair Instructions
  EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT

  Mfr Comm. #:

  20NA028

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing.

  Associated Products (2)

  2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10186076-0001.pdf↗
• December 1, 2020•Document ID: 10186058

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN

  Mfr Comm. #:

  16NA019

  Date Added:

  February 1, 2021

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

  Associated Products (24)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 Chevrolet Traverse2021 Chevrolet Trax2021 GMC Acadia2021 GMC Canyon+ 4 more
  Associated Documents

  • DownloadMC-10186058-0001.pdf↗