Detailed explanation of automobile ECU classification

The ECU (Electronic Control Unit) in the car is divided into many types according to different functions. The most common is EMS (Engine Management System), which is used in various engine systems, such as gasoline engine PFI, GDI, diesel engine, hybrid system, etc., mainly controlling the engine's injection, ignition, torque distribution and other functions. In addition, there are TCU (Automatic Transmission Control Unit), BCM (Body Control Module), ESP (Electronic Stability Control System), BMS (Battery Management System) and VCU (Vehicle Controller).