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.

A faulty or malfunctioning transmission can trigger the check engine light for a handful of reasons, including things like an overheating gearbox or issues with the transmission control module (TCM).

Others, such as ECU (Engine Control Unit) or ECM (Engine Control Module ... tools can help identify underlying problems, but those costs, coupled with the likelihood of TCM programming, eat ...

This procedure includes the related software programming. Affected components: transmission control module. Number of affected vehicles: it’s currently unknown how many units of the refreshed ...

General Motors has begun a new customer satisfaction program to address an issue with the transmission range control module in certain 2021 model-year Chevy Bolt EV vehicles. The problem ...

If you're a control freak, late-model electronic transmissions are just what you need to modernize your classic car, and if you decide to go that route, a transmission control module is a must-have.

That's right, the 2001-2005 Allison five-speed transmission was actually a six-speed all along. The difference was in the valve body and the transmission control module (TCM). Much like the legend ...