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 TH…
2020 chevrolet Corvette powertrain problems
moderate 3 complaints filed with NHTSA · avg repair $2,500
What owners are reporting 3 most recent
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 tran…
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 ar…
Common questions
How serious is the powertrain problem on the 2020 chevrolet Corvette?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.