DTC U0077-88: Unit Communication Error (Can)

U0077:88 (VCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Unit communication error (CAN)
Detection condition	The vehicle control module (VCM) determines a bus OFF condition for the CAN bus No. 5 communication line.
Fail-safe	(See DTC TABLE: ).
Possible cause	Malfunction in CAN bus No. 5 communication line 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