DTC U0100 Lost Communication with ECM/PCM "A"; DTC U0129 Lost Communication with Brake System Control Module; DTC U0131 Lost Communication with Power Steering Control Module; DTC U0142 Lost Communication with Gateway "A"; DTC U0164 Lost Communication with HVAC Control Module; DTC U1104 Lost Communication with Driving Support ECU; DTC U1111 Lost Communication with Front Controller Module: Description

These DTCs are output when the CAN communication system is judged to be malfunctioning.

DTC DETECTION CONDITION CHART

DTC Code	DTC Detection Condition	Trouble Area
U0100	CAN communication lost	Passenger side junction block (Electric power control ECU) CAN communication system
U0129	CAN communication lost	Passenger side junction block (Electric power control ECU) CAN communication system
U0131	CAN communication lost	Passenger side junction block (Electric power control ECU) CAN communication system
U0142	CAN communication lost	Passenger side junction block (Electric power control ECU) CAN communication system
U0164	CAN communication lost	Passenger side junction block (Electric power control ECU) CAN communication system
U1104	CAN communication lost	Passenger side junction block (Electric power control ECU) CAN communication system
U1111	CAN communication lost	Passenger side junction block (Electric power control ECU) CAN communication system