GMC Sierra Service Bulletins (2020)

1,991 manufacturer communications on file.

• August 14, 2019•Document ID: 10165093

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  18NA361

  Date Added:

  September 23, 2019

  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 (8)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10165093-0001.pdf↗
• August 14, 2019•Document ID: 10164769

  Service Bulletin/Repair Instructions
  ENGINE; EQUIPMENT

  Mfr Comm. #:

  PIP5637A

  Date Added:

  September 16, 2019

  Manufacturer:

  GMC

  Summary

  The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. The dealer technician is advised to call the GM Product Quality Center for further assistance

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10164769-0001.pdf↗
• August 13, 2019•Document ID: 10165122

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  070601016F

  Date Added:

  September 23, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.

  Associated Products (424)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Impala+ 404 more
  Associated Documents

  • DownloadMC-10165122-0001.pdf↗
• August 13, 2019•Document ID: 10165103

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  19NA152

  Date Added:

  September 23, 2019

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Static Crackling Noise Using Bluetooth Microphone.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10165103-0001.pdf↗
• August 12, 2019•Document ID: 10165123

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  080730026F

  Date Added:

  September 23, 2019

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.

  Associated Products (448)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Sonic2020 Chevrolet Spark2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse2020 Chevrolet Trax+ 428 more
  Associated Documents

  • DownloadMC-10165123-0001.pdf↗
• August 7, 2019•Document ID: 10164750

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

  Mfr Comm. #:

  PIT5702

  Date Added:

  September 16, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 153. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10164750-0001.pdf↗
• August 5, 2019•Document ID: 10165079

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  16NA109

  Date Added:

  September 23, 2019

  Manufacturer:

  GMC

  Summary

  This technical 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 (460)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Impala+ 440 more
  Associated Documents

  • DownloadMC-10165079-0001.pdf↗
• August 1, 2019•Document ID: 10164738

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5664

  Date Added:

  September 16, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P226D, P249E, P249D, P20EE or P226D while engineering is investigating.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10164738-0001.pdf↗
• July 31, 2019•Document ID: 10163690

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIP5663

  Date Added:

  August 12, 2019

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates  AFM / DFM usage  Information. providing additional information on the AFM and DFM systems

  Associated Products (48)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Cadillac CTS2019 Cadillac Escalade2019 Chevrolet Camaro2019 Chevrolet Corvette2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2018 Cadillac CTS2018 Cadillac Escalade2018 Chevrolet Camaro2018 Chevrolet Corvette2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon+ 28 more
  Associated Documents

  • DownloadMC-10163690-0001.pdf↗
• July 26, 2019•Document ID: 10163900

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  990089019R

  Date Added:

  August 19, 2019

  Manufacturer:

  PONTIAC

  Summary

  This informational bulletin provides process information for the (GWM) and (WPC) parts return program.

  Associated Products (552)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Impala2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Sonic+ 532 more
  Associated Documents

  • DownloadMC-10163900-0001.pdf↗
• July 19, 2019•Document ID: 10163671

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

  Mfr Comm. #:

  PIT5697

  Date Added:

  August 12, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communication  provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10163671-0001.pdf↗
• July 8, 2019•Document ID: 10163886

  Service Bulletin/Repair Instructions
  TRAILER HITCHES

  Mfr Comm. #:

  17NA350

  Date Added:

  August 19, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.

  Associated Products (10)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra
  Associated Documents

  • DownloadMC-10163886-0001.pdf↗
• June 28, 2019•Document ID: 10164110

  Service Bulletin/Repair Instructions
  POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

  Mfr Comm. #:

  N192265570

  Date Added:

  August 26, 2019

  Manufacturer:

  CHEVROLET

  Summary

  N192265570 - Service Update. Certain vehicles may have misalignment between the transmission output shaft and the transfer case input. Transfer case to transmission misalignment could cause the transfer case shift collar to slip out of engagement. Customers may experience noise, vibration, or harshness issues such as a clunk noise heard during coast down event. Dealers will perform a road test inspection and retorque the transfer case if necessary.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10164110-0001.pdf↗
• June 27, 2019•Document ID: 10163222

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  17NA374

  Date Added:

  July 29, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

  Associated Products (8)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10163222-0001.pdf↗
• June 27, 2019•Document ID: 10163216

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE

  Mfr Comm. #:

  16NA376

  Date Added:

  July 29, 2019

  Manufacturer:

  GMC

  Summary

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

  Associated Products (8)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10163216-0001.pdf↗
• June 26, 2019•Document ID: 10163272

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  1308116001E

  Date Added:

  July 29, 2019

  Manufacturer:

  CADILLAC

  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 (571)

  2020 Buick Enclave2020 Buick Encore2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Bolt EV2020 Chevrolet Equinox2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2020 GMC Yukon XL2019 Buick Cascada2019 Buick Enclave2019 Buick Encore2019 Buick Envision+ 551 more
  Associated Documents

  • DownloadMC-10163272-0001.pdf↗
• June 26, 2019•Document ID: 10163270

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  130232001F

  Date Added:

  July 29, 2019

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.

  Associated Products (141)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Cadillac XTS2018 Chevrolet Silverado2018 Chevrolet Trax2018 GMC Sierra2017 Buick Enclave2017 Cadillac XTS2017 Chevrolet Equinox2017 Chevrolet Silverado2017 Chevrolet Traverse2017 Chevrolet Trax2017 GMC Acadia2017 GMC Sierra2017 GMC Terrain2016 Buick Enclave2016 Cadillac XTS2016 Chevrolet Equinox+ 121 more
  Associated Documents

  • DownloadMC-10163270-0001.pdf↗
• June 26, 2019•Document ID: 10163268

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  100845001G

  Date Added:

  July 29, 2019

  Manufacturer:

  BUICK

  Summary

  This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

  Associated Products (780)

  2020 Buick Enclave2020 Buick Encore2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Bolt EV2020 Chevrolet Equinox2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2020 GMC Yukon XL2019 Buick Cascada2019 Buick Enclave2019 Buick Encore2019 Buick Envision+ 760 more
  Associated Documents

  • DownloadMC-10163268-0001.pdf↗
• June 26, 2019•Document ID: 10163261

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  050604022Q

  Date Added:

  July 29, 2019

  Manufacturer:

  CADILLAC

  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 (470)

  2020 Buick Enclave2020 Buick Encore2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Bolt EV2020 Chevrolet Equinox2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2020 GMC Yukon XL2019 Buick Cascada2019 Buick Enclave2019 Buick Encore2019 Buick Envision+ 450 more
  Associated Documents

  • DownloadMC-10163261-0001.pdf↗
• June 26, 2019•Document ID: 10162158

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5656

  Date Added:

  July 8, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10162158-0001.pdf↗