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Service bulletins for the 2020 Chevrolet Silverado

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

2120 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIP59222023-06-13. Service bulletin. POWER TRAIN. This Preliminary information communicates the information that needs to be provided to a servicing Allsion transmission dealer for correct diagnostics and repairs
PIP59212023-06-13. Service bulletin. EQUIPMENT. This Preliminary information communicates the possibility of the Intake Cam Actuator cover plate screws backing out and making unwanted contact with the Cam Carrier.
08-07-30-026H2023-06-06. Service bulletin. POWER TRAIN. This service bulletin provides information on some vehicles that 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.
22-NA-2442023-06-05. Service bulletin. EQUIPMENT. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
12-03-10-001E2023-06-05. Service bulletin. WHEELS. This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
22-NA-1502023-06-05. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
21-NA-0672023-05-16. Service bulletin. EQUIPMENT; STRUCTURE. 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.
23-NA-0432023-05-16. Service bulletin. ENGINE AND ENGINE COOLING. 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.
PIT5509J2023-05-15. Service bulletin. ELECTRICAL SYSTEM; TRAILER HITCHES. 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.
PIP5628F2023-05-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). 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
PIT5970B2023-05-15. Service bulletin. BACK OVER PREVENTION. 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.
PIT5970A2023-05-15. Service bulletin. BACK OVER PREVENTION. 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.
PIT5387N2023-05-15. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
PIP5853C2023-05-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This PI communicates to dealers and technicians a possible diode issue in the TCCM, and how to properly diagnose for a diode issue.
PIT5954B2023-05-15. Service bulletin. COMMUNICATION: AUTO CRASH NOTIFICATION. This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern.
22-NA-2102023-05-10. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter.
16-NA-0192023-05-10. Service bulletin. POWER TRAIN. This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
01-08-42-001P2023-05-09. Service bulletin. EXTERIOR LIGHTING. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
19-NA-2192023-05-06. Service bulletin. ENGINE AND ENGINE COOLING. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
17-NA-1702023-05-06. Service bulletin. WHEELS. 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.
11-00-89-005W2023-05-06. Service bulletin. UNKNOWN OR OTHER. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
23-NA-0432023-05-06. Service bulletin. ENGINE AND ENGINE COOLING. 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.
23-NA-0272023-05-06. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL.
22-NA-0662023-05-05. Service bulletin. POWER TRAIN. The technical bulletin provides a procedure to lube the yoke and caps if found the cause of the noise from the propshaft area.
19-NA-2182023-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.