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.

Automatic transmissions are highly complex automotive components. They're significantly more complicated and challenging to work on than manual transmissions, which means expensive repairs and ...

A “Check Engine” light on your dashboard could mean anything from a loose gas cap to a wallet-destroying repair in the offing. For [Dean Segovis], his CEL was indicating a fairly serious condition: a ...

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.

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 ...

The transmission is a vital component in a vehicle's drivetrain, which transfers power from the engine to the wheels and enables smooth acceleration and controlled speed. Unfortunately, transmissions ...

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 ...