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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

Bulletins, newest first
22-NA-0432022-07-25. Service bulletin. EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE; EQUIPMENT:ELECTRICAL. Phone Left In Wireless Cellphone Charger Reminder.
19-NA-2182022-07-20. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
22NA0442022-07-18. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM. Check Engine MIL Illuminated in DIC Set by Body Control Module with DTC P0607
22-NA-1352022-07-12. Service bulletin. EQUIPMENT. This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.
12-01-37-001F2022-07-12. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
PIE0700A2022-07-12. Service bulletin. 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 Malfunction Indicator Lamp (MIL) Illuminated, Service Rear Axle Message On Driver Information Center (DIC), Transmission Shifting Concerns.
22-NA-1322022-07-12. Service bulletin. SUSPENSION. This service bulletin informs the technician that the shocks should not be modified by removing spacer to lower vehicle and should not be submitted as a warranty repair.
22-NA-1312022-07-12. Service bulletin. EQUIPMENT. This service bulletin provides information on an Accessory Lighted Sill Plate that Does Not Illuminate or Intermittently Illuminates.
22-NA-1272022-07-12. Service bulletin. EQUIPMENT. This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
22-NA-1152022-07-12. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
22-NA-0702022-07-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
21-NA-0262022-07-12. Service bulletin. EQUIPMENT. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
22-NA-0092022-07-01. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
PIE0681A2022-06-25. Service bulletin. ENGINE AND ENGINE COOLING. This engineering information (EI) closure ends the need for further information from the field in regards to the Service Engine Soon (SES) lamp illuminated on the driver information center (DIC) and DTC P0101, U060F and/or U1346 Set.
20-NA-1592022-06-25. Service bulletin. WHEELS. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
22NA0262022-06-21. Service bulletin. SERVICE BRAKES. This service bulletin provides information for dealers/technicians on Brake Pulsation, Noise and/or Visible Pitting Condition to Brake Rotor Surface.
21NA1922022-06-21. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This service bulletin provides repair information to correct a customer concern of the Convertible Top May Not Lower Intermittently, Technician may find DTC B19E4 SYM64 May be Stored in History.
21NA1352022-06-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
21NA2832022-06-21. Service bulletin. SUSPENSION. 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.
21NA1312022-06-21. Service bulletin. SEATS:FRONT ASSEMBLY:POWER ADJUST; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Memory Seat Module Does Not Adjust.
PIC64552022-06-13. Service bulletin. STRUCTURE; EQUIPMENT. This Preliminary information communicates a diagnostic tip to a technician working on a convertible with an inoperative header latch.
PIP5818A2022-06-13. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary information communicates additional diagnostics for P1789.
PIT59132022-06-13. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary information communicates a condtion where SD card removed is being displayed on the radio display intermittently. ThisPI advises that engineering is working on a fix for this issue
PIE0672B2022-06-13. Service bulletin. AIR BAGS. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Lamp illuminated on Driver Information Center (DIC) and DTC P0607 Set in BCM to determine root cause.
PI0653F2022-06-13. Service bulletin. STRUCTURE; EQUIPMENT. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.

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