2020 Chevrolet Corvette Electrical system Problems
- Complaints
- 3about this part
- Share
- 9%of 34 total for the year
- Median mileage
- 40,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the electrical system of the 2020 Chevrolet Corvette, 9% of the 34 complaints for this model year. Where a mileage was given, the median is 40,000 miles. 2 recall campaigns on record are filed under a similar system.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact's son owns a 2020 Chevrolet Corvette. The contact stated that while her son was driving 65 MPH, the oil temperature and check engine warning lights illuminated; however, the driver was able to safely drive to the destination. Upon leaving and attempting to start the vehicle, the vehicle failed to start. The vehicle was towed to the dealer, who diagnosed a failure with the main wiring harness. The vehicle was not repaired. The contact was informed that the replacement part was on a national backorder. …”
NHTSA complaint #11684791, filed 2025-09, 40,000 miles“Backup camera is intermittent. I have ain’t it to the dealership 3 times and they can replicate the issue consistently. They have scan the car for codes and seen the issue in person”
NHTSA complaint #11708663, filed 2026-01Related recalls
- 20V489000Aug 18, 2020General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette vehicles. Despite visual and audible warnings, the vehicle can be driven with the front…Covers: Chevrolet Corvette 2020
- 20V461000Aug 6, 2020General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette vehicles. The release button located inside the front trunk compartment may not function…Covers: Chevrolet Corvette 2020
Related service bulletins
- 11024486May 16, 2025This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
- 11019017Apr 10, 2025This 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.
- 11017595Apr 3, 2025This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
- 11017244Mar 31, 2025The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other…
- 11017207Mar 21, 2025This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414…
- 11017031Mar 12, 2025This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
- 11014230Jan 31, 2025This 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.
- 11014239Jan 29, 2025This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during…
- 11014222Jan 28, 2025This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
- 11013069Jan 9, 2025This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 1 | 9% |
| 2024 | 4 | 19% |
| 2023 | 7 | 26% |
| 2022 | 7 | 33% |
| 2021 | 4 | 31% |
| 2020 | 3 | 9% |
| 2019 | 2 | 1% |
| 2018 | 1 | 2% |
| 2017 | 4 | 2% |
| 2016 | 6 | 6% |
| 2015 | 5 | 8% |
| 2014 | 8 | 13% |
| 2013 | 4 | 5% |
| 2012 | 6 | 11% |
| 2011 | 3 | 4% |
| 2010 | 5 | 6% |
| 2009 | 8 | 5% |
| 2008 | 39 | 7% |
| 2007 | 35 | 10% |
| 2006 | 44 | 12% |
| 2005 | 101 | 19% |
| 2004 | 11 | 5% |
| 2003 | 15 | 18% |
| 2002 | 17 | 11% |
| 2001 | 25 | 12% |
| 2000 | 24 | 9% |
| 1999 | 30 | 10% |
| 1998 | 32 | 8% |
| 1997 | 9 | 6% |
| 1996 | 9 | 20% |
| 1995 | 7 | 22% |
| 1994 | 5 | 17% |
| 1993 | 3 | 14% |
| 1992 | 3 | 43% |
| 1991 | 4 | 17% |
| 1990 | 2 | 6% |
| 1989 | 2 | 13% |
| 1988 | 4 | 25% |
| 1987 | 3 | 14% |
| 1986 | 1 | 7% |
| 1984 | 1 | 7% |
Other parts of the 2020 Chevrolet Corvette
10 complaintsTransmission and drivetrain
6 complaintsOther or unknown
5 complaintsEngine
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsBrakes
3 complaintsSuspension
2 complaintsBack-over prevention (rear camera)
1 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsFuel system
1 complaintsWheels
1 complaints
← All problems reported for the 2020 Chevrolet Corvette
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology