ECU FOR COMMUNICATION

The present disclosure relates to a communication electronic control unit (ECU) provided in a vehicle to be used for exchange of a signal with an external device, the communication ECU including a bus interface configured to exchange signals with a plurality of slave ECUs in the vehicle, a primary processor configured to perform software cloning for at least one of the plurality of slave ECUs, and a secondary processor configured to determine whether to operate, based on whether overload is applied to the primary processor.