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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

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
16NA3832020-03-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
PIT5411R2020-02-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.
PIT5387G2020-02-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.
PI0592F2020-01-21. Service bulletin. EQUIPMENT. This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
19NA2692020-01-21. Service bulletin. EQUIPMENT. This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update.
PIP5688A2020-01-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary information communicates to the dealer technician to instruct the customer to use the block heater only at temperatures 0F and below. A calibration will become available at a later date.
PIP56882020-01-21. Service bulletin. EQUIPMENT. This Preliminary information communicates to the dealer technician to instruct the customer to use the block heater only at temperatures 0F and below. A calibration will become available at a later date.
N192269370 Notic2019-12-30. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. N102269370 - Customer Satisfaction Program (Notice of Disclosure Message Only). Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree View, is compromised when a front view image is required in whole or part. The resulting front image section on the center stack display will be blocked and appear black or grey. Dealers will replace the winter grille cover.
N1922693702019-12-30. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE:FRAME AND MEMBERS. N102269370 - Customer Satisfaction Program. Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree View, is compromised when a front view image is required in whole or part. The resulting front image section on the center stack display will be blocked and appear black or grey. Dealers will replace the winter grille cover.
N1922734002019-12-30. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE; ENGINE. N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere. Customers may experience a whistling sound, or there may be an audible air leak. Disconnection of this line is monitored through the fuel trim diagnostics, and in a worst-case scenario, the customer may experience a check engine light with DTC codes P0171 and/or P0174. Dealers are to inspect and ensure the PCV tube to the right-hand rocker is fully seated and secure.
PIE05482019-12-16. Service bulletin. EQUIPMENT. This engineering informational bulletin is requesting information on a issue that is caused by loose ground connection at G110 or G114 that results in a repair.
PIE0536A2019-12-16. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the oil pan.
100089009D2019-12-16. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.
080310006G2019-12-16. Service bulletin. EQUIPMENT; TIRES; EQUIPMENT ADAPTIVE/MOBILITY; WHEELS. This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
080089014F2019-12-16. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
010842001M2019-12-16. Service bulletin. EQUIPMENT; EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
19NA2702019-12-16. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet.
19NA2632019-12-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin explains a normal condition for sludge to form in the oil cap when equipped with DEF system.
19NA2322019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.
19NA2312019-11-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This informational bulletin informs the technician of a possible low A/C charge in a low milage vehicle from the factory.
120851002K2019-11-25. Service bulletin. EQUIPMENT. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
100089009C2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on key code security and information on GM key code look up applications.
100089006G2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).
010089010N2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
18NA3062019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).

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