Chevrolet Silverado Service Bulletins (2020)

2,121 manufacturer communications on file.

• March 8, 2023•Document ID: 10233345

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-168

  Date Added:

  March 30, 2023

  Manufacturer:

  GMC

  Summary

  This bulletin provides diagnostic information when checking the exhaust system for leaks.

  Associated Products (24)

  2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra+ 4 more
  Associated Documents

  • DownloadMC-10233345-0001.pdf↗
• March 8, 2023•Document ID: 10233338

  Service Bulletin/Repair Instructions
  TIRES; WHEELS

  Mfr Comm. #:

  20-NA-159

  Date Added:

  March 30, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

  Associated Products (483)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 463 more
  Associated Documents

  • DownloadMC-10233338-0001.pdf↗
• March 7, 2023•Document ID: 10233340

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21-NA-110

  Date Added:

  March 30, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information for dealers/technicians on Information on GM Accessories - Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period.

  Associated Products (6)

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

  • DownloadMC-10233340-0001.pdf↗
• March 7, 2023•Document ID: 10233337

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  20-NA-141

  Date Added:

  March 30, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of the Tri-Fold Tonneau paint finish fading or discolored.

  Associated Products (6)

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

  • DownloadMC-10233337-0001.pdf↗
• March 7, 2023•Document ID: 10233335

  Service Bulletin/Repair Instructions
  EQUIPMENT; STRUCTURE

  Mfr Comm. #:

  18-NA-383

  Date Added:

  March 30, 2023

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10233335-0001.pdf↗
• March 6, 2023•Document ID: 10233347

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  23-NA-032

  Date Added:

  March 30, 2023

  Manufacturer:

  GMC

  Summary

  The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure.

  Associated Products (33)

  2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC Sierra+ 13 more
  Associated Documents

  • DownloadMC-10233347-0001.pdf↗
• March 3, 2023•Document ID: 10232712

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

  Mfr Comm. #:

  21-NA-149

  Date Added:

  March 8, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.

  Associated Products (26)

  2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra+ 6 more
  Associated Documents

  • DownloadMC-10232712-0001.pdf↗
• March 2, 2023•Document ID: 10232711

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY; POWER TRAIN

  Mfr Comm. #:

  16-NA-130

  Date Added:

  March 8, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear.

  Associated Products (200)

  2023 Chevrolet Express2023 Chevrolet Silverado2023 GMC Savana2023 GMC Sierra2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Silverado2022 GMC Canyon2022 GMC Savana2022 GMC Sierra2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado+ 180 more
  Associated Documents

  • DownloadMC-10232711-0001.pdf↗
• February 27, 2023•Document ID: 10232840

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION; VISIBILITY

  Mfr Comm. #:

  PIT5744C

  Date Added:

  March 13, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.

  Associated Products (10)

  2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10232840-0001.pdf↗
• February 27, 2023•Document ID: 10232839

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; STRUCTURE

  Mfr Comm. #:

  PIT5732C

  Date Added:

  March 13, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information provides information to the technician on relocating the DEF tank to install a service body. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 156. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

  Associated Products (8)

  2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10232839-0001.pdf↗
• February 27, 2023•Document ID: 10232838

  Service Bulletin/Repair Instructions
  VISIBILITY:SUN/MOON ROOF ASSEMBLY

  Mfr Comm. #:

  PIT5733C

  Date Added:

  March 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

  Associated Products (10)

  2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10232838-0001.pdf↗
• February 27, 2023•Document ID: 10232837

  Service Bulletin/Repair Instructions
  STRUCTURE; BACK OVER PREVENTION

  Mfr Comm. #:

  PIT5990

  Date Added:

  March 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl.

  Associated Products (20)

  2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon XL2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon XL2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10232837-0001.pdf↗
• February 27, 2023•Document ID: 10232469

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  15-NA-017

  Date Added:

  March 4, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.

  Associated Products (631)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 611 more
  Associated Documents

  • DownloadMC-10232469-0001.pdf↗
• February 24, 2023•Document ID: 10232835

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE

  Mfr Comm. #:

  PIT5551J

  Date Added:

  March 13, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

  Associated Products (152)

  2023 Buick Enclave2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EV2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Terrain2023 GMC Yukon XL2022 Buick Enclave2022 Cadillac Escalade ESV+ 132 more
  Associated Documents

  • DownloadMC-10232835-0001.pdf↗
• February 22, 2023•Document ID: 10232459

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-150

  Date Added:

  March 4, 2023

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.

  Associated Products (26)

  2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban+ 6 more
  Associated Documents

  • DownloadMC-10232459-0001.pdf↗
• February 21, 2023•Document ID: 10232287

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

  Mfr Comm. #:

  17-NA-073

  Date Added:

  March 3, 2023

  Manufacturer:

  BUICK

  Summary

  This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

  Associated Products (1281)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 1261 more
  Associated Documents

  • DownloadMC-10232287-0001.pdf↗
• February 20, 2023•Document ID: 10232288

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

  Mfr Comm. #:

  18-NA-146

  Date Added:

  March 3, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).

  Associated Products (594)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 574 more
  Associated Documents

  • DownloadMC-10232288-0001.pdf↗
• February 17, 2023•Document ID: 10232152

  Service Bulletin/Repair Instructions
  STRUCTURE; VISIBILITY:WINDSHIELD

  Mfr Comm. #:

  21-NA-067

  Date Added:

  March 1, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel.

  Associated Products (6)

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

  • DownloadMC-10232152-0001.pdf↗
• February 17, 2023•Document ID: 10232283

  Service Bulletin/Repair Instructions
  VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS; UNKNOWN OR OTHER; STRUCTURE

  Mfr Comm. #:

  PI0754F

  Date Added:

  March 3, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.

  Associated Products (609)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 589 more
  Associated Documents

  • DownloadMC-10232283-0001.pdf↗
• February 17, 2023•Document ID: 10232143

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

  Mfr Comm. #:

  18-NA-263

  Date Added:

  February 28, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S. Only).

  Associated Products (594)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 574 more
  Associated Documents

  • DownloadMC-10232143-0001.pdf↗