This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
full bulletin at NHTSA ↗2023 Chevrolet Corvette powertrain problems
severe Owners of the 2023 Chevrolet Corvette have filed 6 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
Complaints
6
Recalls
0
Avg fix
$2,500
| Model year | powertrain complaints |
|---|---|
| 2019 Corvette | 10 |
| 2020 Corvette | 5 |
| 2021 Corvette | 7 |
| 2022 Corvette | 5 |
| 2023 Corvette (this page) | 6 |
1fire
1injury
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This service bulletin informs the technician on the running changes to the M1L, M1M and MLH automatic transmission.
full bulletin at NHTSA ↗This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
full bulletin at NHTSA ↗This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
full bulletin at NHTSA ↗This service bulletin informs the technician on the running changes to the M1L, M1M, MLH automatic transmissions.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 6 most recent
On [XXX] I was driving my corvette in Atlantic City, New Jersey, which at that time I noticed smoke coming from the rear of the vehicle. I looked at my dash to see if any warning lights or check engine lights were on and nothing Indicate there was a problem. So I did continue to drive to get to a safe place where I can pull over and look at the engine. When I came up to the red light, the car…
The contact owns a 2023 Chevrolet Corvette. The contact stated that while the vehicle was in reverse(R), the transmission failed to engage as the gear indicator light began to flash and the service transmission message was displayed on the instrument panel. After multiple attempts, the contact was able to engage the transmission and drove the vehicle to dealer where they were unable to diagnose…
On 10/13 after refuling my 2023 Chevy Corvette. I was cruising on a freeway when the car started showing signs of staying in 5th gear. The rev limiter was going from 500 to 2500 rpm rhythmically at a cruising speed of 65mph. At this time, I noticed the loss of response from the gas pedal. The car was then placed in manual shifting mode so that i can attempt to regain population control and…
On 8/3/2025 I was at a stop light. It turned green. I went to go and my car would not go past first gear. Had to pull over. Waited turned the car off. Turned it back on and started driving, then I got an alert 545. Then my entire screen went blank only showing the alert. I called my dealership to explain. They said there were recalls on the 2023 and 2024 transmissions. That’s why I got the alert…
Put vehicle in reverse. Vehicle would not move. Vehicle placed back in park. Put vehicle in reverse again; and after advanced acceleration heard a loud clunk sound and jarring movement. Car continued in reverse normally. Vehicle was put into drive and driven approximately 500 feet at which time vehicle shut down. Service transmission and “rear axle not engaged” messages showing, as well as an…
While driving the vehicle in a NYC highway at approximately 45 mph the transmission shifted into neutral causing the vehicle to decelerate gradually resulting in near rear end collision. The vehicle transmission will not engaged into gear while moving nor after stopping.
Had powertrain trouble with your 2023 Chevrolet Corvette?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2023 Chevrolet Corvette?
It's a meaningful issue. 6 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2023/Chevrolet/Corvette.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.