DTC U0100/U0140/U0155: Notes

DTC	U0100	Communication error to PCM
	U0140	Communication error to BCM
	U0155	Communication error to instrument cluster
FAIL-SAFE FUNCTION		U0100 Vehicle speed signal malfunction Motor is stopped: Maintained at condition when stopped. After the motor is restarted, vehicle speed is set at 200 km/h {124 mph}, and control continues. Motor is rotating: Controlled vehicle speed is increased to 20 km/h {12 mph} per s until it is set at 200 km/h {124 mph}, and control continues. Engine speed signal malfunction Motor is stopped: Maintained at condition when stopped. After the motor is restarted, engine speed is set at 1,000 rpm, and control continues. Motor is rotating: Controlled engine speed is set at 1,000 rpm, and control continues. U0140 Controlled steering speed is decreased to 100 degree per s until it is set at 0 degree, and control continues. U0155 Control enabled Power steering malfunction indicator light: Illuminated
DETECTION CONDITION		U0100 Communication error to PCM is detected in CAN communication U0140 Communication error to BCM is detected in CAN communication U0155 Communication error to instrument cluster is detected in CAN communication
POSSIBLE CAUSE		CAN system wiring harness open or short circuit with PCM CAN system wiring harness open or short circuit with BCM CAN system wiring harness open or short circuit with instrument cluster Poor connection at connectors
SYSTEM WIRING DIAGRAM		-