The engine control module (ECM) in the Audi A4 is a sophisticated electronic component that serves as the brain of the vehicle’s engine management system.
It controls and regulates various aspects of the engine’s operation to ensure optimal performance, fuel efficiency, and emissions. The ECM in the Audi A4 is a compact unit located under the hood, typically near the engine compartment. It is connected to a network of sensors and actuators throughout the vehicle, which provide real-time data on …