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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

Bulletins, newest first
PIP5621E2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
24-NA-2462024-12-05. Service bulletin. ENGINE. This service bulletin provides diagnostic aid information for dealers/technicians on Vehicle Speed Limited.
PIP60242024-12-05. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the dealer the correct time, mileage and Labor operation used for the first covered Maintenace.
24-NA-2392024-12-05. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
PIP6016A2024-12-04. Service bulletin. POWER TRAIN. This Preliminary information communicates that due to parts shortages caused by the devastation of hurricane Helene we are restricting transmission assemblies in service.
04-06-01-029K2024-12-04. Service bulletin. POWER TRAIN; STEERING; ENGINE. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
PIT62612024-12-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers GM is working on a solution for outdated Apps
20-NA-0752024-12-03. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on No MIL illuminated, ignore these DTCs if set in History.
24-NA-2292024-12-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
24-NA-2222024-11-19. Service bulletin. ENGINE. This service bulletin provides information on a Whoosh Noise from Engine Area While Driving.
24-NA-0402024-11-16. Service bulletin. UNKNOWN OR OTHER. This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
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-1322024-11-15. Service bulletin. ELECTRICAL SYSTEM; 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 whenever there is a customer concern of a Service Front Lift System Message on DIC or fluid leaking from shocks.
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.
19-NA-0422024-11-14. Service bulletin. STRUCTURE:BODY. This service bulletin provides information for dealers/technicians on a customer commenting on seeing a yellow tint appearance to hood and engine cover’s exposed carbon fiber parts.
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.
17-NA-0782024-11-14. Service bulletin. ENGINE. This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characteristic.
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.
16-NA-0032024-11-14. Service bulletin. ENGINE. This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming from the rear of vehicle.
10-00-89-009F2024-11-14. Service bulletin. UNKNOWN OR OTHER. This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
23-NA-1542024-11-13. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
22-NA-2442024-11-13. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
07-00-89-037T2024-11-13. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
01-06-01-011Q2024-11-13. Service bulletin. ENGINE. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
99-00-89-019Z2024-11-13. Service bulletin. UNKNOWN OR OTHER. This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.

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