Some units of the 2021 Corvette Stingray may require a Transmission Control Module reprogramming. The error in the module software could result in the active ...

CARS.COM — Vehicles affected by service bulletin: The problem: Drivers may note erratic shift patterns in the transmission due to a software glitch in the transmission control module program.

In the affected vehicles, there may be a 3 to 4 second lag due to the transmission control module programming, which may increase the risk of a crash. GM will notify owners and dealers will fix ...