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
| PIE0701B | 2023-08-02. Service bulletin. STRUCTURE; EQUIPMENT. This engineering information (EI) closure ends the need to gather further information from technicians regarding taking pictures of decals wrinkling, peeling, bubbling, discoloration, delaminating and/or coming off. |
|---|---|
| 20-NA-175 | 2023-08-02. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. |
| 20-NA-142 | 2023-08-02. Service bulletin. POWER TRAIN. This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. |
| 19-NA-257 | 2023-08-02. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment. |
| 19-NA-129 | 2023-08-02. Service bulletin. SUSPENSION. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle. |
| 99-09-40-005I | 2023-07-28. Service bulletin. SEAT BELTS. This service bulletin provides information on availability for a seat belt extender. |
| 23-NA-027 | 2023-07-26. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. 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-183 | 2023-07-26. Service bulletin. TIRES; ELECTRICAL SYSTEM; WHEELS. This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer concern of poor ride quality at highway speeds. |
| 21-NA-026 | 2023-07-25. Service bulletin. EQUIPMENT. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. |
| 17-NA-066 | 2023-07-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. |
| 23-NA-125 | 2023-07-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs. |
| 23-NA-055 | 2023-07-25. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs. |
| 22-NA-080 | 2023-07-25. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. |
| 07-08-42-006S | 2023-07-25. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed. |
| PIT6036 | 2023-07-17. Service bulletin. STRUCTURE. This Preliminary information communicates an issue that when an engine mount is replaced there may be additional parts replaced along with the engine mount and dealership are to reference the parts catalog to determine if additional parts are needed. |
| PIP5926B | 2023-07-17. Service bulletin. POWER TRAIN. This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case. |
| PIP5843C | 2023-07-17. Service bulletin. EXTERIOR LIGHTING. This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting. |
| PIT5697C | 2023-07-17. Service bulletin. BACK OVER PREVENTION: CAMERA SYSTEM. This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins." |
| PIP5926A | 2023-07-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case. |
| PIT6031 | 2023-07-17. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates an issue where an aftermarket autostop device is causing a dead battery. |
| PIT4261J | 2023-07-17. Service bulletin. TIRES:SIDEWALL. This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction. |
| PIP5926 | 2023-07-17. Service bulletin. POWER TRAIN. This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case. |
| 99-08-51-001F | 2023-07-14. Service bulletin. STRUCTURE. This service bulletin provides information on Paintless Dent Repair Process. |
| 23-NA-112 | 2023-07-14. Service bulletin. STRUCTURE:BODY:TAILGATE; STRUCTURE; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. |
| 23-NA-064 | 2023-07-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.