Ford promised that its ambitious PowerShift transmission would be a big step forward, but thousands of drivers disagreed.

Having a capable independent mechanic can save you time, money, and hassle; but it still might be best to have your ...

General Motors' 8-speed transmissions are known to shake while accelerating, produce rough shifts going into second gear, and ...

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.

GM has issued a voluntary emission recall for certain units of the 2020 and 2021 C8 Corvette Stingray due to a problem with the Transmission Control Module (TCM). The problem: Affected TCM’s may ...

General Motors has issued a service update to address a problem related to the Transmission Control Module in certain examples of the 2020 and 2021 model-year C8 Corvette Stingray. The problem: in ...

Sometimes the cars we buy come from manufacturers with known problems right off the showroom floor. In those cases, it may seem as though there was no research and development that went into the ...

A software error in the transmission control unit (CVT-ECU) may incorrectly reduce the transmission gear ratio at high speeds, which can result in an engine stall.

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.

The filling point for this transmission is on top of the gearbox, under the ECU (drive-line computer). So, to access it, you’ll need to move the computer (which attaches to the battery tray) out of ...