The electronic control module (ECM) or engine control module (ECM), also known as the 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 transmission and anti-lock braking systems.
What is ECM?
Discover what an Engine Control Module (ECM) is and how it manages your vehicles ignition, fuel injection, and emission systems for optimal performance.
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