U1121

DTC U1121: Lost Communication with ABS / Electronic Stability Program Hydraulic Unit / Control Module

Wiring Diagram
Refer to DTC U1073: Control Module Communication Bus Off:Motor-Shift Type (Transfer with Shift Actuator). U1073

DTC Detecting Condition and Trouble Area





DTC Confirmation Procedure
1) Clear DTC using scan tool.
2) Start engine and run it for 1 min. or more.
3) Stop vehicle and check DTC.

Troubleshooting

Step 1-Step 4:

Step 5: