DTC U2131-00: Communication Error With Electrical Supply Unit (ESU)

U2131:00 (DASH_ESU) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with electrical supply unit (ESU)
Detection condition	The dash-electrical supply unit cannot receive CAN signal from the electrical supply unit (ESU).
Fail-safe	The value of the data which is not received from the electrical supply unit (ESU) is fixed at the specified value.
Possible cause	Malfunction in CAN communication line between electrical supply unit (ESU) 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