The engine control module (ECM) in the Audi A4 is a powerful and sophisticated piece of technology that plays a critical role in the operation of the vehicle.
As the central hub for all of the engine’s components and systems, the ECM is responsible for managing fuel injection, ignition timing, emissions control, and various other functions that are essential for the proper operation of the engine. The ECM in the Audi A4 is a multi-layered system that is comprised of a complex network …