Service bulletins for the 2021 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.
770 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| N212353390 | 2022-05-17. Service bulletin. EQUIPMENT:ELECTRICAL. Service Update Bulletin. Certain vehicles that had the Serial Data Gateway Module (SDGM) replaced in service, may not have been programmed correctly resulting in an incomplete registration of the new module. Dealers are to reprogram the SDGM. |
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| PIT5287H | 2022-05-16. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. There is a purple Terminal Position Assurance that will align itself in the release position when the release tool is inserted into the release hole. There is a metal locking tab on the terminal that will need to be pushed in before the terminal will pull out of the connector. |
| PIC6451A | 2022-05-16. Service bulletin. ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS. This Preliminary Information communicates diagnostic information for a dealership technician to address a paint chip in the front fascia near the headlamp capsule. |
| 12-00-89-003B | 2022-05-10. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE. This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only). |
| 09-04-20-001G | 2022-05-10. Service bulletin. POWER TRAIN; WHEELS. This informational bulletin provides information to address a chatter noise during low speed tight turn conditions (i.e. parking lot, driveway, etc.) primarily during cooler ambient temperatures. |
| 22-NA-080 | 2022-05-03. 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. |
| 22-NA-070 | 2022-05-03. Service bulletin. EQUIPMENT. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. |
| 22-NA-019 | 2022-05-03. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P2251 and/or DTC P2254 Set. |
| 22-NA-084 | 2022-04-30. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; STRUCTURE. This service bulletin provides information for dealers/technicians on on unable to open folding top, DTC B19E1 sym64 possibly set. |
| 22-NA-081 | 2022-04-30. Service bulletin. STRUCTURE. This service bulletin provides repair information to correct a customer concern of paint peeling or chipping on the front fascia at the headlamp or fender seam. |
| 01-00-89-010P | 2022-04-29. Service bulletin. EQUIPMENT. This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. |
| PIE0690 | 2022-04-22. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; POWER TRAIN. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Transmission Hot message displayed on DIC and/or Vehicle Will Not Disengage from Park, DTCs P0606, P0607 Set. |
| PI0281I | 2022-04-22. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; STRUCTURE. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. |
| 22-NA-052 | 2022-04-21. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides repair information to correct a customer concern of DTC B1038 SYM64 set in the BCM and Door Ajar Message on Driver Information Center (DIC). |
| PIP4670J | 2022-04-18. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles. |
| PIC6453 | 2022-04-18. Service bulletin. STRUCTURE. This Preliminary information communicates repair direction to the body shop for a paint code on a hard to find low gloss black coating. |
| PIT3271M | 2022-04-18. Service bulletin. WHEELS; TIRES. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection. |
| PIP5757B | 2022-04-18. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic trouble codes. |
| PIC6451 | 2022-04-18. Service bulletin. STRUCTURE. This Preliminary Information communicates diagnostic information for a dealership technician to address a paint chip in the front fascia near the headlamp capsule. |
| PIC6378B | 2022-04-18. Service bulletin. STRUCTURE; EQUIPMENT. This Preliminary Information communicates helpful information on diagnosing general customer concerns related to a power folding top. |
| 22-NA-044 | 2022-04-08. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. This service bulletin provides repair information to correct a customer concern of Check Engine MIL Illuminated in DIC Set by Body Control Module with DTC P0607. |
| 01-00-89-010O | 2022-04-08. Service bulletin. UNKNOWN OR OTHER. This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. |
| 22-NA-074 | 2022-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. |
| 22-NA-070 | 2022-04-06. Service bulletin. EQUIPMENT. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. |
| 19-NA-218 | 2022-04-05. 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.