AI Damage2021 Chevrolet Corvette: common problems
Owners of the 2021 Chevrolet Corvette filed 13 complaints with NHTSA, most often about powertrain and electrical system. The maker issued 770 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 13
- involving a crash
- 1
- Technical service bulletins (TSB)
- 770
What fails most often
- 1 Powertrain 54% of all complaints
- 2 Electrical system 31% of all complaints
- 3 Wheels 8% of all complaints
- 4 Service brakes 8% of all complaints
- 5 Visibility 8% of all complaints
- 6 Exterior lighting 8% of all complaints
- 7 Air bags 8% of all complaints
- Powertrain: 7 complaints (54% of all); manufacturer bulletins for this component: 106.
- Electrical system: 4 complaints (31% of all); manufacturer bulletins for this component: 182.
- Wheels: 1 complaints (8% of all), 1 of them with a crash reported by the owner; manufacturer bulletins for this component: 43.
- Service brakes: 1 complaints (8% of all); manufacturer bulletins for this component: 30.
- Visibility: 1 complaints (8% of all); manufacturer bulletins for this component: 14.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 6.2 L · petrol · 8 cyl
- automatic, 8-speed
Drive: RWD
Symptoms owners describe
How many of the 13 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Powertrain | 7 | 0 | 106 |
| Electrical system | 4 | 0 | 182 |
| Wheels | 1 | 1 | 43 |
| Service brakes | 1 | 0 | 30 |
| Visibility | 1 | 0 | 14 |
| Exterior lighting | 1 | 0 | 12 |
| Air bags | 1 | 1 | 3 |
| Equipment | 0 | 0 | 214 |
| Engine and cooling | 0 | 0 | 111 |
| Engine | 0 | 0 | 54 |
| Structure | 0 | 0 | 50 |
| Suspension | 0 | 0 | 29 |
| Fuel system | 0 | 0 | 19 |
| Backover prevention | 0 | 0 | 18 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The contact stated that the warning message that the front tires were low displayed. The contact added air into the tires but the warning message that the tires were low continued to illuminate.
"Both front headlamp assemblies have internal moisture condensation and permanent residue/streaking on the interior lens surfaces. This is a known manufacturing defect documented across 2020-2024 C8 Corvette model years. GM issued TSB 01-08-42-001P acknowledging this defect.
intermittent black screen from the Rear Vision Camera (RVC) on the infotainment screen with red icons when put in reverse the backup camera may fail with a black screen there is no full mirror coverage to the rear of the car while backing up.
I cannot believe the Corvette does not show that the alternator does not show that the car is not charging. I have a thirty year old corvette that will show you when the alternator does not show the car has an under performing alternator.
Electrical door button is getting stuck and the door is locked from the inside. The switch has been replaced by authorized dealer once already. (July 19 2023) 4,783 miles on the vehicle at the time of first issue. From checking other forums, this is a common problem for this year vehicle.
The contact stated that upon starting the vehicle, the transmission warning light illuminated on the instrument panel. The vehicle was taken to the dealer, who diagnosed a failure with the transmission filter. The vehicle was repaired, but the failure reoccurred.
The contact stated that an unknown warning light illuminated while driving at an undisclosed speed. The contact also stated that while the vehicle was parked, there was condensation seen underneath the rear of the vehicle. The vehicle was taken to a dealer where the gasket, bolts, and fluid were replaced.
Vehicle display provided message “Battery Low Start Vehicle” but vehicle would not start. Tow company attempted to jump vehicle multiple times but not successful. Vehicle had to be towed for service. My vehicle is always stored in garage and plugged into battery charger when not in use and should not be dead.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 1,401 of 2,102 model years in the NHTSA data (among the 33% least complained about).
On average one model year of the Corvette has 68 complaints (10 years in the data). This year has 13, below average.
What to check before buying
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Wheels. Wheel runout, cracks, signs of a wheel strike.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it
- This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance
- Certain vehicles listed above may have a condition in which drivers may not be notified of a rear…
Certain vehicles listed above may have a condition in which drivers may not be notified of a rear turn-signal lamp failure. GM will update software calibrations in the vehicle’s exterior lighting control module. For…
- This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
- PI to help diagnose A/C concern
- This Preliminary information communicates an issue with an OTA pending message still displayed after an…
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
- This Preliminary information communicates to dealership technicians that if they encounter a customer…
This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.
- Pi created to provide GM dealers with information on gathering information for projection issue
- This PI communicates information on a SPS programming issue causing Serial Data Authentication…
This PI communicates information on a SPS programming issue causing Serial Data Authentication Configuration to fail.
- This preliminary information communicates information about how to determine if a wheel and tires size…
- This Preliminary information communicates that characterizing certain parts is no longer required, the…
This Preliminary information communicates that characterizing certain parts is no longer required, the service instruction was changed but technicians are still trying to perform the function causing further confusion.
- This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a…
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
NHTSA lists 770 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2021 Chevrolet Corvette?
Owner complaints to NHTSA most often mention: powertrain, electrical system, wheels. Total complaints: 13. The most frequent symptoms in complaint texts: warning lights, check engine (38%), airbags did not deploy (8%), rear-view camera (8%).
How many service bulletins (TSB) were issued for the 2021 Chevrolet Corvette?
NHTSA lists 770 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2021 Chevrolet Corvette from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2021 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.