DTC U0120-00: Communication Error With Drive Motor Control Module

U0120:00 (DASH_ESU) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with drive motor control module
Detection condition	The dash-electrical supply unit cannot receive CAN signal from the drive motor control module.
Fail-safe	Not applicable
Possible cause	Malfunction in CAN communication line between drive motor control module 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