Chevrolet Silverado Service Bulletins (2021)

1,748 manufacturer communications on file.

• May 17, 2023•Document ID: 10237232

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-150

  Date Added:

  June 5, 2023

  Manufacturer:

  GMC

  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 (28)

  2024 Chevrolet Silverado2024 GMC Sierra2023 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 ESV+ 8 more
  Associated Documents

  • DownloadMC-10237232-0001.pdf↗
• May 15, 2023•Document ID: 10237659

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM:IGNITION

  Mfr Comm. #:

  PIC5650K

  Date Added:

  June 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.

  Associated Products (566)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer+ 546 more
  Associated Documents

  • DownloadMC-10237659-0001.pdf↗
• May 12, 2023•Document ID: 10237655

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIP5853D

  Date Added:

  June 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This PI communicates to dealers and technicians a Possible low voltage or poor ground to the TCCM.

  Associated Products (5)

  2023 Chevrolet Silverado2022 Chevrolet Silverado2021 Chevrolet Silverado2020 Chevrolet Silverado2019 Chevrolet Silverado
  Associated Documents

  • DownloadMC-10237655-0001.pdf↗
• May 12, 2023•Document ID: 10236321

  Service Bulletin/Repair Instructions
  EQUIPMENT; STRUCTURE

  Mfr Comm. #:

  21-NA-067

  Date Added:

  May 16, 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 (12)

  2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10236321-0001.pdf↗
• May 12, 2023•Document ID: 10237657

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  PIT5986A

  Date Added:

  June 13, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end.   Dealers are to inspect for something contacting the grill shutters as they open and close.

  Associated Products (18)

  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 XL
  Associated Documents

  • DownloadMC-10237657-0001.pdf↗
• May 9, 2023•Document ID: 10237648

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY:TAILGATE

  Mfr Comm. #:

  PIT3227S

  Date Added:

  June 13, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.

  Associated Products (117)

  2024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Canyon2024 GMC Sierra2023 Chevrolet Colorado2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Sierra2022 Chevrolet Colorado2022 Chevrolet Silverado2022 GMC Canyon2022 GMC Sierra2021 Chevrolet Colorado2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Sierra+ 97 more
  Associated Documents

  • DownloadMC-10237648-0001.pdf↗
• May 8, 2023•Document ID: 10237645

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5922

  Date Added:

  June 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates the information that needs to be provided to a servicing Allsion transmission dealer for correct diagnostics and repairs

  Associated Products (5)

  2023 Chevrolet Silverado2022 Chevrolet Silverado2021 Chevrolet Silverado2020 Chevrolet Silverado2019 Chevrolet Silverado
  Associated Documents

  • DownloadMC-10237645-0001.pdf↗
• May 8, 2023•Document ID: 10236318

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  23-NA-043

  Date Added:

  May 16, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides a procedure to replace the valve lifter and guides to correct customer concerns of Poor Engine Performance, Engine Misfires, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308 Set.

  Associated Products (8)

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

  • DownloadMC-10236318-0001.pdf↗
• May 4, 2023•Document ID: 10237639

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIP5921

  Date Added:

  June 13, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the possibility of the Intake Cam Actuator cover plate screws backing out and making unwanted contact with the Cam Carrier.

  Associated Products (14)

  2023 Cadillac CT42023 Chevrolet Silverado2023 GMC Sierra2022 Cadillac CT42022 Chevrolet Silverado2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Silverado2021 GMC Sierra2020 Cadillac CT42020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10237639-0001.pdf↗
• May 3, 2023•Document ID: 10236041

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  01-08-42-001P

  Date Added:

  May 9, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.

  Associated Products (396)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Terrain2023 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 XT6+ 376 more
  Associated Documents

  • DownloadMC-10236041-0001.pdf↗
• May 2, 2023•Document ID: 10236046

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-NA-019

  Date Added:

  May 10, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

  Associated Products (79)

  2023 Cadillac CT42023 Chevrolet Camaro2023 Chevrolet Express2023 Chevrolet Silverado2023 GMC Savana2023 GMC Sierra2022 Cadillac CT42022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Silverado2022 GMC Canyon2022 GMC Savana2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Silverado+ 59 more
  Associated Documents

  • DownloadMC-10236046-0001.pdf↗
• May 1, 2023•Document ID: 10236053

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

  Mfr Comm. #:

  22-NA-210

  Date Added:

  May 10, 2023

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter.

  Associated Products (6)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10236053-0001.pdf↗
• April 27, 2023•Document ID: 10236171

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING

  Mfr Comm. #:

  PIT5865B

  Date Added:

  May 15, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera.  Dealers are to replace the camera.

  Associated Products (13)

  2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Chevrolet Camaro2021 Chevrolet Equinox2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10236171-0001.pdf↗
• April 27, 2023•Document ID: 10235799

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  17-NA-170

  Date Added:

  May 6, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.

  Associated Products (1156)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Terrain2023 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 XT6+ 1136 more
  Associated Documents

  • DownloadMC-10235799-0001.pdf↗
• April 25, 2023•Document ID: 10236167

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; TRAILER HITCHES

  Mfr Comm. #:

  PIT5509J

  Date Added:

  May 15, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.

  Associated Products (70)

  2024 Chevrolet Silverado2024 GMC Sierra2023 Cadillac Escalade ESV2023 Chevrolet Colorado2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Canyon2023 GMC Sierra2023 GMC Yukon XL2022 Cadillac Escalade ESV2022 Chevrolet Colorado2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Canyon2022 GMC Sierra2022 GMC Yukon XL2021 Cadillac Escalade ESV2021 Chevrolet Colorado+ 50 more
  Associated Documents

  • DownloadMC-10236167-0001.pdf↗
• April 25, 2023•Document ID: 10235798

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  11-00-89-005W

  Date Added:

  May 6, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (531)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Terrain2023 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 XT6+ 511 more
  Associated Documents

  • DownloadMC-10235798-0001.pdf↗
• April 24, 2023•Document ID: 10236164

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

  Mfr Comm. #:

  PIP5628F

  Date Added:

  May 15, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D

  Associated Products (838)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer+ 818 more
  Associated Documents

  • DownloadMC-10236164-0001.pdf↗
• April 24, 2023•Document ID: 10235802

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19-NA-219

  Date Added:

  May 6, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.

  Associated Products (914)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD2023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express2023 Chevrolet Malibu+ 894 more
  Associated Documents

  • DownloadMC-10235802-0001.pdf↗
• April 21, 2023•Document ID: 10235716

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  12-03-10-001D

  Date Added:

  May 5, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).

  Associated Products (825)

  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 4500HD2023 Chevrolet 5500HD2023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette+ 805 more
  Associated Documents

  • DownloadMC-10235716-0001.pdf↗
• April 20, 2023•Document ID: 10236160

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  PIT5970B

  Date Added:

  May 15, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and have created a repair.

  Associated Products (6)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10236160-0001.pdf↗