DTC U0100-00: Communication Error With ECM (E-SKYACTIV PHEV)/Pcm (Except E-SKYACTIV PHEV)

U0100:00 (DASH_ESU) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with ECM (e-SKYACTIV PHEV)/PCM (except e-SKYACTIV PHEV)
Detection condition	The dash-electrical supply unit cannot receive CAN signal from the ECM (e-SKYACTIV PHEV)/PCM (except e-SKYACTIV PHEV).
Fail-safe	The value of the data which is not received from the ECM (e-SKYACTIV PHEV)/PCM (except e-SKYACTIV PHEV) is fixed at the specified value.
Possible cause	Malfunction in CAN communication line between ECM (e-SKYACTIV PHEV)/PCM (except e-SKYACTIV PHEV) and dash-electrical supply unit NOTE: Perform the malfunction diagnosis according to the troubleshooting procedure for the multiplex communication system. (See MALFUNCTION DIAGNOSIS FLOW [CONTROLLER AREA NETWORK (CAN)] .)
Repeatability verification procedure	Not applicable
System wiring diagram	Not applicable