Tag: Powertrain

  • What is Powertrain Control Module PCM? – Diagram, & How it Works

    What is Powertrain Control Module PCM? – Diagram, & How it Works

    by

    Joe
    in

    PCM (Powertrain Control Module), ECU (Engine Control Unit), and ECM (Engine Control Module) are all interchangeable generic acronyms for the same thing: a control unit for the engine/transmission system. Modern automobiles are complex, with several systems interacting to guarantee smooth operation. To keep up with their functions, they rely on computers such as the powertrain…