Service bulletins for the 2020 Chevrolet Corvette
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.
924 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIT5832A | 2022-02-14. Service bulletin. COMMUNICATION. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
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| PIC6384H | 2022-02-14. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. |
| PIP4902P | 2022-02-14. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question. |
| PIP5632F | 2022-02-14. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question. |
| 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. |
| 21NA283 | 2022-02-14. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION; AIR BAGS. This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift System Message Displayed on Driver Information Center (DIC) with DTC C103C and/or C103E Symptom 64 Set. |
| PIP5628E | 2022-01-24. Service bulletin. ENGINE AND ENGINE COOLING. 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 |
| PIC6434A | 2022-01-24. Service bulletin. SUSPENSION. This Preliminary Information communicates diagnostic tips for a technician to diagnose a C103C / C103E set in the K218 Front Suspension Lift System. |
| PIE0669 | 2022-01-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This engineering information (EI) is requesting dealership personnel that when it comes to the scheduled maintenance at 12,070 km (7500 mi), or within the first year of ownership, to send engineering the Dual Clutch Canister Transmission Filters for inspection after replacement. |
| 030310007K | 2022-01-03. Service bulletin. TIRES; WHEELS. This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. |
| 030091001H | 2022-01-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns. |
| 21NA251 | 2021-12-27. Service bulletin. VISIBILITY; EQUIPMENT. This service bulletin provides information for dealers/technicians on an appearance concern with driver outside rearview mirror dimming. |
| 21NA249 | 2021-12-27. Service bulletin. EQUIPMENT. This service bulletin provides repair information to correct a customer concern of the carpet appearance near the center console area. |
| 21NA091 | 2021-12-27. Service bulletin. BACK OVER PREVENTION; EQUIPMENT. This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. |
| 19NA104 | 2021-12-27. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. |
| 17NA040 | 2021-12-27. Service bulletin. SERVICE BRAKES. This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies. |
| 20NA132 | 2021-12-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. |
| 18NA073 | 2021-12-20. Service bulletin. ENGINE. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. |
| 17NA040 | 2021-12-20. Service bulletin. BACK OVER PREVENTION. This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies. |
| PIP5797B | 2021-12-13. Service bulletin. POWER TRAIN. This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts.. |
| PIP5818A | 2021-12-13. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary information communicates additional diagnostics for P1789. |
| PIC6434A | 2021-12-13. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION. This Preliminary Information communicates diagnostic tips for a technician to diagnose a C103C / C103E set in the K218 Front Suspension Lift System. |
| PIT5851 | 2021-10-25. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER. This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue. |
| PIC6445 | 2021-09-13. Service bulletin. STRUCTURE; EQUIPMENT. This Preliminary information communicates information to the dealership technician on how to resolve a cosmetic gap in the carpeting near the center console area. |
| PIP5821 | 2021-09-13. Service bulletin. POWER TRAIN; EQUIPMENT. This Preliminary information communicates request to have used filters returned for analysis. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.