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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

Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
25-NA-0652025-04-24. Service bulletin. STEERING; SERVICE BRAKES; FUEL/PROPULSION SYSTEM. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
21-NA-0432025-02-12. Service bulletin. VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
17-NA-2712024-12-19. Service bulletin. WHEELS; SERVICE BRAKES. This service bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customer concern of wheel clicking.
21-NA-0432024-12-10. Service bulletin. STRUCTURE:BODY; WHEELS; ENGINE; SERVICE BRAKES; UNKNOWN OR OTHER. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
24-NA-0312024-11-16. Service bulletin. SERVICE BRAKES. This service bulletin provides information for having brake pulsation and/or repeat brake pulsation.
22-NA-0262024-11-15. 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.
17-NA-2392024-11-14. Service bulletin. SERVICE BRAKES. This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time.
16-NA-0592024-11-14. Service bulletin. SERVICE BRAKES. This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper.
PIC6429B2024-10-25. Service bulletin. SERVICE BRAKES. This Preliminary Information communicates information on resolving noise issues related to the brakes on this vehicle.
22-NA-2442024-05-30. Warranty extension. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE:BODY; UNKNOWN OR OTHER; SERVICE BRAKES. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
22-NA-0262024-02-23. Service bulletin. SERVICE BRAKES, HYDRAULIC. This service bulletin provides information for dealers/technicians on Brake Pulsation, Noise and/or Visible Pitting Condition to Brake Rotor Surface.
24-NA-0312024-02-23. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC. This service bulletin provides information for having brake pulsation and/or repeat brake pulsation.
17-NA-0402023-11-22. Service bulletin. SERVICE BRAKES, HYDRAULIC. This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
16-NA-0592023-11-22. Service bulletin. SERVICE BRAKES, HYDRAULIC. This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper.
17-NA-2392023-11-02. Service bulletin. SERVICE BRAKES, HYDRAULIC. This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time.
17-NA-0402023-10-14. 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.
17-NA-0402023-07-11. 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.
22-NA-2472023-05-04. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely set for eBoost applications.
17-NA-0402023-04-22. Service bulletin. SERVICE BRAKES, HYDRAULIC. This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
17-NA-2392023-02-23. Service bulletin. SERVICE BRAKES, HYDRAULIC. This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time.
PIC6429A2023-01-30. Service bulletin. SERVICE BRAKES. This Preliminary Information communicates information on resolving noise issues related to the brakes on this vehicle.
22-NA-2472022-12-24. Service bulletin. SERVICE BRAKES, HYDRAULIC. This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely set for eBoost applications.
17-NA-0402022-12-03. Service bulletin. SERVICE BRAKES, HYDRAULIC. This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
17-NA-2712022-11-03. Service bulletin. WHEELS; SERVICE BRAKES, HYDRAULIC. This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking.
15-00-89-004E2022-10-11. Service bulletin. POWER TRAIN; SUSPENSION; ENGINE AND ENGINE COOLING; SERVICE BRAKES, HYDRAULIC; STEERING. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.

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