Chevrolet Blazer Service Bulletins (2020)

856 manufacturer communications on file.

• April 6, 2021•Document ID: 10194098

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  21NA063

  Date Added:

  May 24, 2021

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides a procedure on a flutter and/or buzz type noise heard from the rear of the vehicle.

  Associated Products (23)

  2021 Buick Enclave2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Traverse2021 GMC Acadia2020 Buick Enclave2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Traverse2020 GMC Acadia2019 Buick Enclave2019 Cadillac XT52019 Chevrolet Blazer2019 Chevrolet Traverse2019 GMC Acadia2018 Buick Enclave2018 Cadillac XT52018 Chevrolet Traverse+ 3 more
  Associated Documents

  • DownloadMC-10194098-0001.pdf↗
• April 6, 2021•Document ID: 10193433

  Service Bulletin/Repair Instructions
  SUSPENSION; BACK OVER PREVENTION; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIT5825B

  Date Added:

  May 17, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates information regarding a Vibration Type Noise from the metal gasket tabs between the front exhaust and muffler.

  Associated Products (8)

  2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 GMC Acadia2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 GMC Acadia
  Associated Documents

  • DownloadMC-10193433-0001.pdf↗
• March 30, 2021•Document ID: 10191191

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA099

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

  Associated Products (889)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 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 Malibu+ 869 more
  Associated Documents

  • DownloadMC-10191191-0001.pdf↗
• March 30, 2021•Document ID: 10190434

  Service Bulletin/Repair Instructions
  SUSPENSION; BACK OVER PREVENTION; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIT5825A

  Date Added:

  April 19, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates information regarding a Vibration Type Noise from the metal gasket tabs between the front exhaust and muffler.

  Associated Products (8)

  2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 GMC Acadia2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 GMC Acadia
  Associated Documents

  • DownloadMC-10190434-0001.pdf↗
• March 29, 2021•Document ID: 10191192

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA306

  Date Added:

  May 3, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

  Associated Products (396)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 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 Silverado+ 376 more
  Associated Documents

  • DownloadMC-10191192-0001.pdf↗
• March 26, 2021•Document ID: 10190430

  Service Bulletin/Repair Instructions
  POWER TRAIN; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

  Mfr Comm. #:

  PIP5712B

  Date Added:

  April 19, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related service procedures.

  Associated Products (26)

  2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Silverado2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Sierra2020 Buick Encore GX2020 Cadillac CT42020 Cadillac CT52020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Silverado+ 6 more
  Associated Documents

  • DownloadMC-10190430-0001.pdf↗
• March 25, 2021•Document ID: 10190426

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5745B

  Date Added:

  April 19, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.

  Associated Products (73)

  2021 Buick Encore2021 Buick Encore GX2021 Chevrolet Trax2020 Buick Enclave2020 Buick Encore2020 Buick Encore GX2020 Buick Envision2020 Buick LaCrosse2020 Cadillac CT62020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Equinox2020 Chevrolet Impala2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Suburban+ 53 more
  Associated Documents

  • DownloadMC-10190426-0001.pdf↗
• March 22, 2021•Document ID: 10192031

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

  Mfr Comm. #:

  21NA061

  Date Added:

  May 10, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY).

  Associated Products (74)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 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 Malibu+ 54 more
  Associated Documents

  • DownloadMC-10192031-0001.pdf↗
• March 17, 2021•Document ID: 10191233

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  110089005Q

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

  Associated Products (380)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 4500XD2021 Chevrolet 6500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express+ 360 more
  Associated Documents

  • DownloadMC-10191233-0001.pdf↗
• March 16, 2021•Document ID: 10190404

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION; ENGINE AND ENGINE COOLING; SUSPENSION

  Mfr Comm. #:

  PIT5825

  Date Added:

  April 19, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates information regarding a Vibration Type Noise from the metal gasket tabs between the front exhaust and muffler.

  Associated Products (8)

  2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 GMC Acadia2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 GMC Acadia
  Associated Documents

  • DownloadMC-10190404-0001.pdf↗
• March 15, 2021•Document ID: 10191215

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:SPEED CONTROL

  Mfr Comm. #:

  21NA035

  Date Added:

  May 3, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for dealers/technicians on Vehicles that Will Not Hold Set Cruise Control Speed in Enhanced Cruise Control Mode.

  Associated Products (35)

  2021 Buick Enclave2021 Chevrolet Blazer2021 Chevrolet Malibu2021 GMC Acadia2020 Buick Enclave2020 Cadillac CT62020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 GMC Acadia2019 Buick Enclave2019 Buick Envision2019 Cadillac ATS2019 Cadillac CT62019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Cadillac XT42019 Cadillac XT52019 Chevrolet Blazer+ 15 more
  Associated Documents

  • DownloadMC-10191215-0001.pdf↗
• March 11, 2021•Document ID: 10191232

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  1008110001I

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on proper use of floor mats.

  Associated Products (552)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 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 Malibu+ 532 more
  Associated Documents

  • DownloadMC-10191232-0001.pdf↗
• March 11, 2021•Document ID: 10191207

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; POWER TRAIN

  Mfr Comm. #:

  20NA138

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.

  Associated Products (685)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Spark+ 665 more
  Associated Documents

  • DownloadMC-10191207-0001.pdf↗
• March 9, 2021•Document ID: 10190392

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:AIR HANDLER/CHAMBER, DUCTS, AND VALVES

  Mfr Comm. #:

  PIP5683A

  Date Added:

  April 19, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a concern with plastic flashing inside the fresh air intake duct for the PCV clean air and the recommended repair.

  Associated Products (2)

  2020 Chevrolet Blazer2019 Chevrolet Blazer
  Associated Documents

  • DownloadMC-10190392-0001.pdf↗
• March 9, 2021•Document ID: 10191217

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21NA043

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (404)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 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 Malibu+ 384 more
  Associated Documents

  • DownloadMC-10191217-0001.pdf↗
• March 9, 2021•Document ID: 10191206

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA132

  Date Added:

  May 3, 2021

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (285)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 4500XD2021 Chevrolet 6500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express+ 265 more
  Associated Documents

  • DownloadMC-10191206-0001.pdf↗
• March 9, 2021•Document ID: 10190396

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

  Mfr Comm. #:

  PIP5712A

  Date Added:

  April 19, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal.

  Associated Products (26)

  2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Silverado2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Sierra2020 Buick Encore GX2020 Cadillac CT42020 Cadillac CT52020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Silverado+ 6 more
  Associated Documents

  • DownloadMC-10190396-0001.pdf↗
• March 9, 2021•Document ID: 10190391

  Service Bulletin/Repair Instructions
  INTERIOR LIGHTING; ENGINE

  Mfr Comm. #:

  PIP5730B

  Date Added:

  April 19, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018.

  Associated Products (52)

  2021 Cadillac CT52021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 GMC Acadia2021 GMC Canyon2020 Buick Regal2020 Cadillac CT52020 Cadillac CT62020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 GMC Acadia2020 GMC Canyon2019 Buick LaCrosse2019 Buick Regal+ 32 more
  Associated Documents

  • DownloadMC-10190391-0001.pdf↗
• March 8, 2021•Document ID: 10191163

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  16NA109

  Date Added:

  May 3, 2021

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.

  Associated Products (511)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 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 Malibu+ 491 more
  Associated Documents

  • DownloadMC-10191163-0001.pdf↗
• March 8, 2021•Document ID: 10190389

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  PIP5694C

  Date Added:

  April 19, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates noise condition that has been identified and the repair that is in process. A special Labor Operation was added for tracking purposes only. All models associated with the in process repair have been added to this PI.

  Associated Products (23)

  2021 Buick Enclave2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Traverse2021 GMC Acadia2020 Buick Enclave2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Traverse2020 GMC Acadia2019 Buick Enclave2019 Cadillac XT52019 Chevrolet Blazer2019 Chevrolet Traverse2019 GMC Acadia2018 Buick Enclave2018 Cadillac XT52018 Chevrolet Traverse+ 3 more
  Associated Documents

  • DownloadMC-10190389-0001.pdf↗