VCU is the core electronic control unit to realize vehicle control decision. Generally, only new energy vehicles have this device, and traditional fuel vehicles do not need this device.

VCU judges the driver's driving intention by collecting signals such as accelerator pedal, gear and brake pedal. By monitoring vehicle status information (vehicle speed, temperature, etc.). ), the VCU judges and processes the information, then sends the vehicle running state control instruction to the power system and the power battery system, and controls the working mode of the vehicle accessory power system at the same time; VCU has the functions of fault diagnosis, protection and storage of the whole vehicle system.