DTC U007B-88: Unit Communication Error (Can) [Vehicle Control Module]: Outline

DTC U007B:88 (VEHICLE CONTROL MODULE) 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. 4 communication line for 10 s.
Fail-safe	(See DTC TABLE: [VEHICLE CONTROL MODULE (US)] .)
Possible cause	Malfunction in CAN BUS No. 4 communication line Malfunction in modules on CAN BUS No. 4 communication line Vehicle control module (VCM) malfunction (built into body control module (BCM)) Body control module (BCM) malfunction
System wiring diagram	Not applicable