DTC U0075-88: Module Communication Error (Can Bus No. 1)

U0075:88 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Module communication error (CAN bus No. 1)
Detection condition	The body control module (BCM) detects a CAN bus communication line (CAN bus No. 1) malfunction.
Fail-safe	Inhibits the i-stop control. Change to the back-up mode. Prohibits engine starting by remote engine start.
Vehicle status when DTCs are output	Not Applicable
Repeatability verification procedure	1. Clear the DTC recorded in the memory. (See CLEARING DTC .)
Inspection/action procedure	• Proceed with the inspection/action in the order from Step 1 below. • After part repair or replacement, perform the repeatability verification procedure and perform a DTC inspection. (See DTC INSPECTION .) - If the DTC inspection indicates the same DTC again, go to the next step. 1. Perform the malfunction diagnosis according to the troubleshooting procedure for the multiplex communication system.
	Purpose/reason (possible cause)	CAN bus communication line malfunction
	Referred to service information item	MALFUNCTION DIAGNOSIS FLOW [CONTROLLER AREA NETWORK (CAN)]
System wiring diagram	Not applicable
Function explanation (DTC detection outline)	Not applicable