The engine control module (ECM), also known as the powertrain control module (PCM) or engine control unit (ECU), is a vital component in a vehicle’s electronic control system.
It serves as the brain of the vehicle, controlling various functions such as fuel injection, ignition timing, emission controls, and more. The ECM is essentially a small computer that receives data from sensors throughout the vehicle and uses this information to make adjustments to ensure optimal performance and efficiency. This includes monitoring the engine’s temperature, …
