Transmission Control Module

Every year, cars require more and more computers to meet safety, fuel, and efficiency requirements. The good news is that our cars are more environmentally friendly than ever. The...

In automatic vehicles, the transmission control module (TCM), sometimes also referred to as the transmission control unit (TCU), is a computer-like device that controls the perform...

Whether you’re looking to tune your car or you want to understand why your car isn’t running right, you’ll have to learn about on-board computers. The terms ECM and PCM are o...