What is ECM?

The Electronic Control Module (ECΜ) or Engine Control Μodule (ECΜ) also known as Powertrain Control Module (PCM), is a computer that manages the engine's Ignition, Fuel Injection, and Emission Systems. In some vehicles, it may also control the operation of the Transmission and Anti-Lock Brake Systems as well.

Engine Control Μodule (ECΜ) Example