Chevrolet Silverado Service Bulletins (2020)

2,121 manufacturer communications on file.

• January 22, 2021•Document ID: 10187745

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18NA073

  Date Added:

  March 1, 2021

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

  Associated Products (275)

  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+ 255 more
  Associated Documents

  • DownloadMC-10187745-0001.pdf↗
• January 21, 2021•Document ID: 10187769

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

  Mfr Comm. #:

  21NA006

  Date Added:

  March 1, 2021

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector.

  Associated Products (9)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10187769-0001.pdf↗
• January 20, 2021•Document ID: 10188419

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

  Mfr Comm. #:

  PIE0610

  Date Added:

  March 8, 2021

  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 to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or Fluctuate, Multiple Warning Lights on DIC.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10188419-0001.pdf↗
• January 20, 2021•Document ID: 10187770

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM

  Mfr Comm. #:

  21NA007

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to program the reductant fluid module if found the cause of the customers concern.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10187770-0001.pdf↗
• January 15, 2021•Document ID: 10187763

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; EQUIPMENT

  Mfr Comm. #:

  20NA218

  Date Added:

  March 1, 2021

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.

  Associated Products (11)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Corvette2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10187763-0001.pdf↗
• January 13, 2021•Document ID: 10187767

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); FUEL SYSTEM, DIESEL; EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER

  Mfr Comm. #:

  21NA002

  Date Added:

  March 1, 2021

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides a test procedure, for a possible faulty DEF Heater.

  Associated Products (9)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10187767-0001.pdf↗
• January 12, 2021•Document ID: 10188415

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

  Mfr Comm. #:

  PIE0607

  Date Added:

  March 8, 2021

  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 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-10188415-0001.pdf↗
• January 12, 2021•Document ID: 10188412

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

  Mfr Comm. #:

  PIE0602

  Date Added:

  March 8, 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 Service Engine Soon Lamp Illuminated On Driver Information Center (DIC), DTC P208B Set.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10188412-0001.pdf↗
• January 12, 2021•Document ID: 10188408

  Service Bulletin/Repair Instructions
  ENGINE; EQUIPMENT; ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS

  Mfr Comm. #:

  PIE0590A

  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 check to the engine lamp being illuminated on the drivers information center (DIC).

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10188408-0001.pdf↗
• January 12, 2021•Document ID: 10187756

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION; EQUIPMENT; ELECTRICAL SYSTEM:ADAS:HUD:CAMERA/SENSOR; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  20NA105

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10187756-0001.pdf↗
• January 11, 2021•Document ID: 10187759

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

  Mfr Comm. #:

  20NA142

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

  Associated Products (48)

  2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra2020 GMC Yukon2020 GMC Yukon XL2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Savana2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL2018 Chevrolet Express2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe+ 28 more
  Associated Documents

  • DownloadMC-10187759-0001.pdf↗
• January 11, 2021•Document ID: 10188418

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

  Mfr Comm. #:

  PIE0609

  Date Added:

  March 8, 2021

  Manufacturer:

  CADILLAC

  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 noise heard from the engine compartment, loss of charging and/or reduced alternator output.

  Associated Products (8)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10188418-0001.pdf↗
• January 11, 2021•Document ID: 10187757

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  20NA110

  Date Added:

  March 1, 2021

  Manufacturer:

  GMC

  Summary

  This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.

  Associated Products (41)

  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 Express2019 Chevrolet Silverado2019 GMC Canyon2019 GMC Savana+ 21 more
  Associated Documents

  • DownloadMC-10187757-0001.pdf↗
• January 5, 2021•Document ID: 10187761

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

  Mfr Comm. #:

  20NA203

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

  Associated Products (8)

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

  • DownloadMC-10187761-0001.pdf↗
• December 23, 2020•Document ID: 10187412

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  20NA212

  Date Added:

  February 22, 2021

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

  Associated Products (31)

  2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Yukon2020 GMC Yukon XL2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe+ 11 more
  Associated Documents

  • DownloadMC-10187412-0001.pdf↗
• December 23, 2020•Document ID: 10186085

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

  Mfr Comm. #:

  20NA212

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

  Associated Products (31)

  2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Yukon2020 GMC Yukon XL2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe+ 11 more
  Associated Documents

  • DownloadMC-10186085-0001.pdf↗
• December 23, 2020•Document ID: 10187379

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA306

  Date Added:

  February 22, 2021

  Manufacturer:

  CHEVROLET

  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-10187379-0001.pdf↗
• December 23, 2020•Document ID: 10186065

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA306

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (401)

  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+ 381 more
  Associated Documents

  • DownloadMC-10186065-0001.pdf↗
• December 22, 2020•Document ID: 10187409

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  20NA175

  Date Added:

  February 22, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.

  Associated Products (6)

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

  • DownloadMC-10187409-0001.pdf↗
• December 22, 2020•Document ID: 10187389

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  19NA257

  Date Added:

  February 22, 2021

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.

  Associated Products (6)

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

  • DownloadMC-10187389-0001.pdf↗