GMC Sierra Service Bulletins (2021)

1,650 manufacturer communications on file.

• October 30, 2020•Document ID: 10183127

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL; EQUIPMENT

  Mfr Comm. #:

  16NA244

  Date Added:

  November 30, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.

  Associated Products (61)

  2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Savana2020 GMC Sierra2019 Chevrolet Colorado2019 Chevrolet Cruze2019 Chevrolet Express2019 Chevrolet Silverado2019 GMC Canyon2019 GMC Savana2019 GMC Sierra2018 Chevrolet Colorado+ 41 more
  Associated Documents

  • DownloadMC-10183127-0001.pdf↗
• October 28, 2020•Document ID: 10183171

  Service Bulletin/Repair Instructions
  ENGINE; EQUIPMENT; POWER TRAIN

  Mfr Comm. #:

  19NA187

  Date Added:

  November 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.

  Associated Products (10)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10183171-0001.pdf↗
• October 28, 2020•Document ID: 10182576

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5750A

  Date Added:

  November 16, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates the possibility of the having dtc p06DD P06DA P06DB due to engine wiring harness concerns.

  Associated Products (6)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10182576-0001.pdf↗
• October 28, 2020•Document ID: 10183132

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  16NA380

  Date Added:

  November 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.

  Associated Products (84)

  2021 Cadillac Escalade2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Savana2020 GMC Sierra2019 Chevrolet Colorado2019 Chevrolet Cruze2019 Chevrolet Equinox+ 64 more
  Associated Documents

  • DownloadMC-10183132-0001.pdf↗
• October 28, 2020•Document ID: 10182580

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5752F

  Date Added:

  November 16, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern

  Associated Products (11)

  2021 Cadillac Escalade2021 Chevrolet Camaro2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Chevrolet Camaro2020 Chevrolet Corvette2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10182580-0001.pdf↗
• October 27, 2020•Document ID: 10183181

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  20NA043

  Date Added:

  November 30, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.

  Associated Products (10)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10183181-0001.pdf↗
• October 27, 2020•Document ID: 10182573

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  PIT5387H

  Date Added:

  November 16, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.

  Associated Products (16)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra2015 Chevrolet Silverado2015 GMC Sierra2014 Chevrolet Silverado2014 GMC Sierra
  Associated Documents

  • DownloadMC-10182573-0001.pdf↗
• October 27, 2020•Document ID: 10183198

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA196

  Date Added:

  November 30, 2020

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update for TTY / TDD Operation and Continuous Improvement Changes.

  Associated Products (63)

  2021 Buick Encore2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Spark2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 Chevrolet Trax2021 GMC Canyon+ 43 more
  Associated Documents

  • DownloadMC-10183198-0001.pdf↗
• October 27, 2020•Document ID: 10183176

  Service Bulletin/Repair Instructions
  EQUIPMENT; FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  19NA237

  Date Added:

  November 30, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin explains how to identify possible DEF contamination.

  Associated Products (69)

  2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Savana2020 GMC Sierra2020 GMC Terrain2019 Chevrolet Colorado2019 Chevrolet Cruze2019 Chevrolet Equinox2019 Chevrolet Silverado2019 GMC Canyon2019 GMC Sierra2019 GMC Terrain+ 49 more
  Associated Documents

  • DownloadMC-10183176-0001.pdf↗
• October 26, 2020•Document ID: 10183151

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

  Mfr Comm. #:

  17NA393

  Date Added:

  November 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.

  Associated Products (9)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10183151-0001.pdf↗
• October 23, 2020•Document ID: 10183799

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0594

  Date Added:

  December 7, 2020

  Manufacturer:

  GMC

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards an intermittent no start.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10183799-0001.pdf↗
• October 23, 2020•Document ID: 10183798

  Service Bulletin/Repair Instructions
  TRAILER HITCHES

  Mfr Comm. #:

  PIE0593

  Date Added:

  December 7, 2020

  Manufacturer:

  GMC

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the trailer brake being inoperative and/or check trailer brakes message on drivers information center (DIC).

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10183798-0001.pdf↗
• October 23, 2020•Document ID: 10183130

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  16NA372

  Date Added:

  November 30, 2020

  Manufacturer:

  GMC

  Summary

  This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.

  Associated Products (10)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10183130-0001.pdf↗
• October 23, 2020•Document ID: 10183782

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  1308116001F

  Date Added:

  December 7, 2020

  Manufacturer:

  CHEVROLET

  Summary

  The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

  Associated Products (620)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban+ 600 more
  Associated Documents

  • DownloadMC-10183782-0001.pdf↗
• October 23, 2020•Document ID: 10183153

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP

  Mfr Comm. #:

  18NA103

  Date Added:

  November 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated.

  Associated Products (85)

  2021 Cadillac Escalade2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Malibu2020 Chevrolet Silverado2020 GMC Canyon+ 65 more
  Associated Documents

  • DownloadMC-10183153-0001.pdf↗
• October 23, 2020•Document ID: 10183126

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  16NA222

  Date Added:

  November 30, 2020

  Manufacturer:

  GMC

  Summary

  This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

  Associated Products (440)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe+ 420 more
  Associated Documents

  • DownloadMC-10183126-0001.pdf↗
• October 22, 2020•Document ID: 10183131

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  16NA376

  Date Added:

  November 30, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on higher than expected oil consumption.

  Associated Products (10)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10183131-0001.pdf↗
• October 21, 2020•Document ID: 10183779

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  050604022R

  Date Added:

  December 7, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.

  Associated Products (527)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban+ 507 more
  Associated Documents

  • DownloadMC-10183779-0001.pdf↗
• October 20, 2020•Document ID: 10183162

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  18NA361

  Date Added:

  November 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

  Associated Products (20)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Cruze2019 Chevrolet Equinox2019 Chevrolet Silverado2019 GMC Sierra2019 GMC Terrain2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Silverado2018 GMC Sierra2018 GMC Terrain2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra2015 Chevrolet Cruze2014 Chevrolet Cruze
  Associated Documents

  • DownloadMC-10183162-0001.pdf↗
• October 19, 2020•Document ID: 10183155

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, OTHER; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  18NA150

  Date Added:

  November 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.

  Associated Products (10)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10183155-0001.pdf↗