GMC Sierra Service Bulletins

10,018 manufacturer communications on file.

• March 5, 2021•Document ID: 10190361

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

  Mfr Comm. #:

  PIT5819

  Date Added:

  April 19, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates in temperatures below freezing, it may be noticed that exhaust is only exiting from the right hand exhaust tailpipe.  The cause of this condition is a low point in left side tailpipe which results in condensation building up at the low point in the tailpipe.  In low temperatures the condensation can freeze and form ice limiting the flow of exhaust out of the left tailpipe.  Dealers are to drill a small hole in the left tailpipe to allow condensation to drain.

  Associated Products (6)

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

  • DownloadMC-10190361-0001.pdf↗
• March 5, 2021•Document ID: 10191240

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0610A

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or Fluctuate, Multiple Warning Lights on DIC.

  Associated Products (10)

  2021 Buick Enclave2021 Chevrolet Silverado2021 Chevrolet Traverse2021 GMC Acadia2021 GMC Sierra2020 Buick Enclave2020 Chevrolet Silverado2020 Chevrolet Traverse2020 GMC Acadia2020 GMC Sierra
  Associated Documents

  • DownloadMC-10191240-0001.pdf↗
• March 4, 2021•Document ID: 10191209

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  20NA197

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.

  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-10191209-0001.pdf↗
• March 4, 2021•Document ID: 10190764

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  N212328090

  Date Added:

  April 26, 2021

  Manufacturer:

  GMC

  Summary

  Customer Satisfaction Program. Certain 2021 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles, equipped with an 8 speed automatic transmission, (RPO MQE), may have a broken reaction carrier in the transmission. Dealers will replace the transmission.

  Associated Products (2)

  2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10190764-0001.pdf↗
• March 4, 2021•Document ID: 10190358

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  PIP5655E

  Date Added:

  April 19, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the dealer technician that the 10L1000 transmission and valve body assembly part restriction has ended.  Dealers are advised that these transmissions and valve bodies can now be ordered through the regular GM CCA parts process or PQC process for required dealers (Canada).

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10190358-0001.pdf↗
• March 4, 2021•Document ID: 10190356

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  PIP5776B

  Date Added:

  April 19, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart.  It is recommended to replace the lifter guide and the four lifters.

  Associated Products (10)

  2021 Cadillac Escalade2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10190356-0001.pdf↗
• March 3, 2021•Document ID: 10191242

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0612A

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Dead Battery and/or Shift to Park Lamp Illuminated On Driver Information Center (DIC).

  Associated Products (6)

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

  • DownloadMC-10191242-0001.pdf↗
• March 3, 2021•Document ID: 10191239

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIE0607A

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable in Port, USB and/or Auxiliary Port Inoperative or Won?t Play Media From the Device Constantly or Intermittently, Apple CarPlay and/or Android Auto Inoperative When Connecting into the USB Port or Cuts Out Over Bumps.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10191239-0001.pdf↗
• March 1, 2021•Document ID: 10191231

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  100310001F

  Date Added:

  May 3, 2021

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on Wheel Balancer Mounting Instructions.

  Associated Products (22)

  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 Sierra2013 Chevrolet Silverado2013 GMC Sierra2012 Chevrolet Silverado2012 GMC Sierra+ 2 more
  Associated Documents

  • DownloadMC-10191231-0001.pdf↗
• March 1, 2021•Document ID: 10190762

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  N232329330

  Date Added:

  April 26, 2021

  Manufacturer:

  GMC

  Summary

  Customer Satisfaction Program. Certain vehicles may have a cargo tie down ring made incorrectly available for ordering at the time of vehicle purchase. This cargo tie down ring accessory (RPO 5VI) is only designed to work with a Steel Bed and not a Carbon Pro Bed. Dealers will provide the customer with a reimbursement check in the amount of $100.

  Associated Products (1)

  2021 GMC Sierra
  Associated Documents

  • DownloadMC-10190762-0001.pdf↗
• March 1, 2021•Document ID: 10190352

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

  Mfr Comm. #:

  PIP5783

  Date Added:

  April 19, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealer technicians that DTC P026C are under investigation by GM Engineerinig.

  Associated Products (2)

  2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10190352-0001.pdf↗
• March 1, 2021•Document ID: 10190355

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  PIP5784

  Date Added:

  April 19, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the dealer technician to inspect for a missing 1-2-7-8-R clutch fluid passage seal  or incorrect 1-2-7-8-R clutch fluid passage seal being install for a no movement concern after valve body replacement on the 8L45 or 8L90 transmissions.

  Associated Products (64)

  2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2020 Cadillac CT42020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Savana2020 GMC Sierra2019 Cadillac ATS2019 Cadillac CTS2019 Chevrolet Camaro2019 Chevrolet Colorado+ 44 more
  Associated Documents

  • DownloadMC-10190355-0001.pdf↗
• March 1, 2021•Document ID: 10190354

  Service Bulletin/Repair Instructions
  POWER TRAIN; STRUCTURE

  Mfr Comm. #:

  PIP5771B

  Date Added:

  April 19, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the dealer technician to replace the valve body on 8 speed transmissions setting DTC P0796 if no debris is found in the transmission fluid pan. If debris is found in the transmission fluid pan the technician is advised to repair the transmission as needed and replace the valve body.

  Associated Products (8)

  2021 Chevrolet Colorado2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Sierra
  Associated Documents

  • DownloadMC-10190354-0001.pdf↗
• February 8, 2021•Document ID: 10207737

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  N212328090 Stop

  Date Added:

  February 7, 2022

  Manufacturer:

  GMC

  Summary

  Stop Delivery Order for Upcoming Customer Satisfaction Program.

  Associated Products (2)

  2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10207737-0001.pdf↗
• January 29, 2021•Document ID: 10187760

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA198

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10187760-0001.pdf↗
• January 29, 2021•Document ID: 10187753

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  20NA020

  Date Added:

  March 1, 2021

  Manufacturer:

  GMC

  Summary

  This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10187753-0001.pdf↗
• January 29, 2021•Document ID: 10188403

  Service Bulletin/Repair Instructions
  SUSPENSION:FRONT:SHOCK ABSORBER; SUSPENSION:FRONT:MACPHERSON STRUT; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

  Mfr Comm. #:

  150089004C

  Date Added:

  March 8, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.

  Associated Products (598)

  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+ 578 more
  Associated Documents

  • DownloadMC-10188403-0001.pdf↗
• January 29, 2021•Document ID: 10188401

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

  Mfr Comm. #:

  21NA026

  Date Added:

  March 8, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.

  Associated Products (376)

  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+ 356 more
  Associated Documents

  • DownloadMC-10188401-0001.pdf↗
• January 27, 2021•Document ID: 10188410

  Service Bulletin/Repair Instructions
  SERVICE BRAKES; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; EQUIPMENT

  Mfr Comm. #:

  PIE0593A

  Date Added:

  March 8, 2021

  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 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-10188410-0001.pdf↗
• January 27, 2021•Document ID: 10188399

  Service Bulletin/Repair Instructions
  EQUIPMENT; STRUCTURE:BODY:ROOF AND PILLARS

  Mfr Comm. #:

  21NA018

  Date Added:

  March 8, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of a pop noise heard coming from the rear roof of cab area.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10188399-0001.pdf↗