Faulty transmission control valve can fail and cause rear wheels to lock up, increasing risk of crash, according to General Motors.

GM discovered that a faulty control valve in the automatic transmission of the at-risk trucks and SUV s can cause their rear wheels to lock up without warning, which could make for some ...

The TCM, or Transmission Control Module, is a key piece of any automatic transmission. Here's how it works in your car and how to fix it.

GM is covering the repair costs of transmission control valve problems for over a half-million full-size trucks and SUVs for 15 years or 150,000 miles.

Comparing features of the latest stand-alone automatic transmission control modules. Which one will work best for your transmission? Jeff Smith breaks it down.

According to NHTSA, the recall covers 552,188 of the pickups due to a loss of signal between the transmission output shaft speed sensor and the powertrain control module causing the truck to ...