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8.8

pretty bad
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
2,620 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2020 Chevrolet Corvette drivetrain problems

drivetrain problem

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2020 Chevrolet Corvette Owner Comments

problem #3

Oct 262023

Corvette

  • 7,200 miles

A D V E R T I S E M E N T S

The contact owned a 2020 Chevrolet Corvette. The contact stated that while driving at an undisclosed speed, the contact came to a complete stop at a stop sign. The contact stated that the light turned green, the accelerator pedal was depressed, and the vehicle started jerking with a rumbling sound coming from the engine compartment. In addition, the engine independently shut off, however the transmission failed to properly shift, pressure level at zero, check engine light, idle creeping disabled, and service transmission warning lights illuminated. The contact stated that he restated the vehicle and the failure reoccurred, and the contact turned the vehicle off. The contact turned off and restarted the vehicle eleven times however, the failure persisted. The contact was able to restart the vehicle and drove to the residence. The vehicle was later towed to the dealer where it was diagnosed with a failed valve body. The contact was informed that the valve body needed to be replaced. The vehicle was repaired under warranty. The vehicle was sold to the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 7,200.

- Las Vegas, NV, USA

problem #2

Jul 012023

Corvette

  • miles
I had a complete transmission failure while on a road trip over July 4th. I just read that GM was doing a recall on the Transmission Control Module but it does not include my car, which is what failed on my car at 19,000 miles. My trip was interrupted, we spent two days paying for hotel & rental car in Springfield, MO and now my car is fixed with new TCU in Springfield, but I live in DFW area. If my car had a recall I would have had it fixed before our trip and this all could have been avoided. Now I have to figure out how to get my car back home.

- Plano, TX, USA

problem #1

Dec 062020

Corvette

  • 660 miles
At the time of incident the vehicle had 660 miles. Most of the accumulated miles are: 60% street and 40% hiway. I was inspecting the wheels and tire when I spotted a significant amount of grey/black colored grease randomly covering the inner wheel. Upon further inspection I noticed that the grease was splattered on the emergency brake unit, sensors and wiring harness. The grease was isolated to the rear passanger axle. I suspect that the grease came from a defective cv boot. Took vehicle in to checkout the problem and they determined the grease was from a defective cv boot. New axle was ordered.

- Fremont, CA, USA

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