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
Only bulletins with component: Brakes are shown. Show all
| 18NA067 | 2022-05-31. Service bulletin. SERVICE BRAKES. This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels. |
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| 20NA197 | 2022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); BACK OVER PREVENTION; SERVICE BRAKES, HYDRAULIC. This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. |
| 22-NA-092 | 2022-05-18. Service bulletin. SERVICE BRAKES, HYDRAULIC. This informational bulletin provides an optional repair using a different set of brakes that may correct the customers concern of Early Brake Wear in Harsh Environments. |
| PIT5662G | 2022-04-18. Service bulletin. PARKING BRAKE. This Preliminary information communicates information to diagnose DTC C056D or C056E. |
| 20-NA-207 | 2022-03-16. Service bulletin. PARKING BRAKE:ELECTRICAL:CONTROL MODULE; ELECTRICAL SYSTEM; POWER TRAIN. This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. |
| PIP5834A | 2022-03-14. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. This Preliminary information communicates that the service 4wd message related to C119E can be diagnosed and repaired. |
| PIP4723F | 2022-02-14. Service bulletin. SERVICE BRAKES, HYDRAULIC; FUEL SYSTEM, GASOLINE. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update. |
| 20NA020 | 2021-12-20. Service bulletin. SERVICE BRAKES, HYDRAULIC. This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing. |
| PIT5662F | 2021-09-13. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; PARKING BRAKE. This Preliminary information communicates information to diagnose DTC C056D or C056E. |
| PIT5681B | 2021-06-14. Service bulletin. SERVICE BRAKES. This Preliminary information communicates the location of the GM Accessory Performance Brake System Rotor Specifications |
| PIE0615A | 2021-06-07. Service bulletin. POWER TRAIN; SERVICE BRAKES. 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. |
| 21NA089 | 2021-05-24. Service bulletin. SERVICE BRAKES, AIR:DISC:CALIPER. This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris. |
| PIT5838 | 2021-05-17. Service bulletin. SERVICE BRAKES. This Preliminary information communicates A vehicle may have a concern of a brake noise or moan may be heard at the beginning of drive-off from a complete stop, This concern may be consitered normal . |
| PIT5674B | 2021-05-17. Service bulletin. BACK OVER PREVENTION; SERVICE BRAKES; LANE DEPARTURE. This Preliminary information communicates that after installation of GM Accessory Performance Brake Pads it may be noticed the EBCM has set DTC(s) C116C 05 and/or C116B 05. There will be NO warning lights or messages displayed on the IPC/DIC. The GM Accessory Performance Brake Pads do not utilize the brake pad wear sensor. None. These DTC(s) do not cause any warning lights or messages to be displayed in the IPC/DIC. Per the GM Accessory Performance Brake installation instructions, the brake pad sensor connector should be capped with the supplied cap and the brake pad life system disabled in the DIC. |
| PIE0593A | 2021-03-08. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; EQUIPMENT; SERVICE BRAKES. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the trailer brake being inoperative and/or check trailer brakes message on drivers information center (DIC). |
| 20NA020 | 2021-03-01. Service bulletin. SERVICE BRAKES. This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing. |
| 19NA136 | 2021-02-01. Service bulletin. PARKING BRAKE; EQUIPMENT; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode. |
| PIE0596 | 2020-12-07. Service bulletin. SERVICE BRAKES. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the ABS or the traction control message illuminated in the Drivers Information Center (DIC). |
| 20NA182 | 2020-10-26. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. This technical bulletin provides a procedure to replace the brake line pressure switch if found the cause of the customers concern. |
| 20NA073 | 2020-10-26. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in Driver Information Center (DIC), Brake Pedal Travel and Apply May Feel Different, One or More of the Following DTCs May be Set: P0606 with C0021, C05D2, C0595, C2A3B, C0024, C053D, P25A2. |
| PIP5753 | 2020-10-19. Service bulletin. WHEELS; PARKING BRAKE. PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue and code set. |
| 20NA020 | 2020-09-28. Service bulletin. SERVICE BRAKES, HYDRAULIC. This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing. |
| 20NA020 | 2020-08-31. Service bulletin. SERVICE BRAKES, AIR:DISC:PADS. This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing. |
| PIT3665J | 2020-08-10. Service bulletin. SERVICE BRAKES. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. |
| PIT5674A | 2020-08-10. Service bulletin. SERVICE BRAKES; EQUIPMENT. This Preliminary information communicates that after installation of GM Accessory Performance Brake Pads it may be noticed the EBCM has set DTC(s) C116C 05 and/or C116B 05. There will be NO warning lights or messages displayed on the IPC/DIC. The GM Accessory Performance Brake Pads do not utilize the brake pad wear sensor. None. These DTC(s) do not cause any warning lights or messages to be displayed in the IPC/DIC. Per the GM Accessory Performance Brake installation instructions, the brake pad sensor connector should be capped with the supplied cap and the brake pad life system disabled in the DIC. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.