Transmission Control Module (TCM) faults are not unknown on these early Mazda 3s. Symptoms usually involve erratic shifting, a failure to select gear at all and having the car go into limp-home mode.

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.

Having a basic understanding of automotive acronyms is important. Some, like ABS (Anti-lock Braking System) and DOHC (Dual Over Head Camshafts), represent commonly advertised automotive features, ...

The 2026 GMC Sierra EV is about to arrive in dealerships with some significant changes, especially the expansion of the model range to include the entry-level Elevation, the off-road-ready AT4, and ...

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: in affected ...

You could take your complaint directly to Mazda's customer relations people. You might get a hearing because the warranty had only just expired. We have heard reports of problems with shift solenoids ...