DTC U0165-00: Communication Error With Rear Climate Control Unit

U0165:00 (DASH_ESU) DETECTION CONDITION AND POSSIBLE CAUSE

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