Chevrolet Silverado Service Bulletins (2020)

2,121 manufacturer communications on file.

• March 18, 2021•Document ID: 10191213

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  21NA005

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.

  Associated Products (16)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon2020 GMC Yukon XL
  Associated Documents

  • DownloadMC-10191213-0001.pdf↗
• March 17, 2021•Document ID: 10191229

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  21NA056

  Date Added:

  May 3, 2021

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to correct the condition of Information on Vehicles Engine Shuts Off After 30 or 60 Minutes of Idling.

  Associated Products (6)

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

  • DownloadMC-10191229-0001.pdf↗
• March 17, 2021•Document ID: 10191233

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  110089005Q

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

  Associated Products (380)

  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 4500XD2021 Chevrolet 6500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express+ 360 more
  Associated Documents

  • DownloadMC-10191233-0001.pdf↗
• March 16, 2021•Document ID: 10192032

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21NA062

  Date Added:

  May 10, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin directs dealers to the correct path needed to correct a vehicle with the condition of Add-On Equipment Inoperative, Sulfur/Acid Smell During Vehicle Operation based on the correct cause.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10192032-0001.pdf↗
• March 11, 2021•Document ID: 10191232

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  1008110001I

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on proper use of floor mats.

  Associated Products (552)

  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 4500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu+ 532 more
  Associated Documents

  • DownloadMC-10191232-0001.pdf↗
• March 11, 2021•Document ID: 10191207

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; POWER TRAIN

  Mfr Comm. #:

  20NA138

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.

  Associated Products (685)

  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+ 665 more
  Associated Documents

  • DownloadMC-10191207-0001.pdf↗
• March 10, 2021•Document ID: 10191225

  Service Bulletin/Repair Instructions
  ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

  Mfr Comm. #:

  21NA052

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of False Traction Control or Stability Event During Slow Speed Sharp Turns.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10191225-0001.pdf↗
• March 10, 2021•Document ID: 10190771

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  N212329850

  Date Added:

  April 26, 2021

  Manufacturer:

  CHEVROLET

  Summary

  Customer Satisfaction Program. On certain vehicles equipped with the provisions ? electrical switch bank (SEO) (RPO UEH), may under certain conditions, have circuit breakers inside an auxiliary control box that could trip due to the high temperature that may accumulate inside the vehicle and control box. Dealers are to replace (7) circuit breakers with equivalent rated fuse and the 5 Amp circuit breaker with a 10 Amp fuse and apply the updated labels.

  Associated Products (3)

  2021 Chevrolet Silverado2020 Chevrolet Silverado2019 Chevrolet Silverado
  Associated Documents

  • DownloadMC-10190771-0001.pdf↗
• March 10, 2021•Document ID: 10191202

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20NA082

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin explains why more DEF is being used in diesel engines do to new emission standards.

  Associated Products (10)

  2021 Chevrolet Colorado2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Savana2020 GMC Sierra
  Associated Documents

  • DownloadMC-10191202-0001.pdf↗
• March 10, 2021•Document ID: 10191197

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  19NA255

  Date Added:

  May 3, 2021

  Manufacturer:

  GMC

  Summary

  This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).

  Associated Products (115)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Express2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Savana2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra2020 GMC Yukon2020 GMC Yukon XL+ 95 more
  Associated Documents

  • DownloadMC-10191197-0001.pdf↗
• March 9, 2021•Document ID: 10191217

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21NA043

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.

  Associated Products (404)

  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 4500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu+ 384 more
  Associated Documents

  • DownloadMC-10191217-0001.pdf↗
• March 9, 2021•Document ID: 10191206

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA132

  Date Added:

  May 3, 2021

  Manufacturer:

  CADILLAC

  Summary

  This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

  Associated Products (285)

  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 4500XD2021 Chevrolet 6500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express+ 265 more
  Associated Documents

  • DownloadMC-10191206-0001.pdf↗
• March 9, 2021•Document ID: 10190396

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

  Mfr Comm. #:

  PIP5712A

  Date Added:

  April 19, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal.

  Associated Products (26)

  2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Silverado2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Sierra2020 Buick Encore GX2020 Cadillac CT42020 Cadillac CT52020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Silverado+ 6 more
  Associated Documents

  • DownloadMC-10190396-0001.pdf↗
• March 8, 2021•Document ID: 10191244

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIE0615

  Date Added:

  May 3, 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 on a tick and/or ping type noise heard from the Propeller Shaft during acceleration and/or braking.

  Associated Products (6)

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

  • DownloadMC-10191244-0001.pdf↗
• March 8, 2021•Document ID: 10191212

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  21NA002

  Date Added:

  May 3, 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-10191212-0001.pdf↗
• March 8, 2021•Document ID: 10191163

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  16NA109

  Date Added:

  May 3, 2021

  Manufacturer:

  CADILLAC

  Summary

  This service 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 (511)

  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 4500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu+ 491 more
  Associated Documents

  • DownloadMC-10191163-0001.pdf↗
• March 5, 2021•Document ID: 10191196

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  19NA240

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of steering wheel oscillation, vibration, shake 50-80 mph.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10191196-0001.pdf↗
• March 5, 2021•Document ID: 10190767

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  N202318850

  Date Added:

  April 26, 2021

  Manufacturer:

  CHEVROLET

  Summary

  Service Update. certain vehicles may have a damaged NOx sensor connector. Dealers are to replace the nitrogen oxides sensor ? position 2.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10190767-0001.pdf↗
• March 5, 2021•Document ID: 10190365

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION; VISIBILITY

  Mfr Comm. #:

  PIT5744A

  Date Added:

  April 19, 2021

  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 (6)

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

  • DownloadMC-10190365-0001.pdf↗
• March 5, 2021•Document ID: 10190362

  Service Bulletin/Repair Instructions
  STEERING; POWER TRAIN; BACK OVER PREVENTION

  Mfr Comm. #:

  PIT5544D

  Date Added:

  April 19, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made.  The noise is most noticeable in the cab at idle, in park, with all accessories turned off.

  Associated Products (12)

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

  • DownloadMC-10190362-0001.pdf↗