A power-train control module, abbreviated PCM, is an automotive component, a control unit, used on motor vehicles.

(automotive) An electronic unit responsible for monitoring and controlling various electronic accessories in the body of a motor vehicle, such as windows, mirrors, air conditioning, and central locking.

a NASA-constructed module designed to serve as a temporary "tug" for the International Space Station in case the Zvezda service module was destroyed or not launched for an extended period of time.