ACTIVE REAR WING SYSTEM, Diagnostic DTC:U0101, U0129, U0142, U0155

DTC Code	DTC Name
U0101	Lost Communication with ECM
U0129	Lost Communication with Skid Control ECU
U0142	Lost Communication with Main Body ECU
U0155	Lost Communication with Combination Meter

DESCRIPTION

These DTCs are stored when a malfunction occurs in the CAN communication system.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
U0101	Lost Communication with ECM	All conditions are met: Engine switch on (IG) ECUB terminal voltage is 10 V or more. No communication with the ECM for 10 seconds or more.	CAN communication system ECM Spoiler control ECU assembly
U0129	Lost Communication with Skid Control ECU	All conditions are met: Engine switch on (IG) ECUB terminal voltage is 10 V or more. No communication with the skid control ECU (brake actuator assembly) for 10 seconds or more.	CAN communication system Skid control ECU (brake actuator assembly) Spoiler control ECU assembly
U0142	Lost Communication with Main Body ECU	All conditions are met: Engine switch on (IG) ECUB terminal voltage is 10 V or more. No communication with the main body ECU (multiplex network body ECU) for 10 seconds or more.	CAN communication system Main body ECU (multiplex network body ECU) Spoiler control ECU assembly
U0155	Lost Communication with Combination Meter	All conditions are met: Engine switch on (IG) ECUB terminal voltage is 10 V or more. No communication with the combination meter assembly for 10 seconds or more.	CAN communication system Combination meter assembly Spoiler control ECU assembly

CAUTION / NOTICE / HINT

Note

The active rear wing system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.

Click here

PROCEDURE

CHECK DTC OUTPUT

Check for DTCs.

Click here

Body Electrical > Active Rear Wing > Trouble Codes

Result

Proceed to
NEXT

GO TO CAN COMMUNICATION SYSTEM Click here