1) Connect the scan tool.
2) Turn ON the ignition switch.
3) Observe the DTC information with a scan tool. Is BCM DTC U1A11[86] set at the same time?
Yes
Go to "Lost communication with radar sensor" of the radar sensor (Right).
Refer to "75.Driver Assistance System 10W.Troubleshooting(Radar Sensor (Right)) Lost communication with radar sensor".
No
=>Go to Current DTC follow-up check.
1) Clear the DTC with a scan tool.
2) Turn OFF the ignition switch for 30 seconds or more.
3) Turn ON the ignition switch.
4) Observe the DTC information with a scan tool. Is DTC C1106[04] set?
Yes
=>Go to Radar sensor (Left) replacement.
No
Note
Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. radar sensor removal".
Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. radar sensor installation".
Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. radar sensor setting".
Procedure completion
1) Clear the DTC with a scan tool.
2) Turn OFF the ignition switch for 30 seconds or more.
3) Turn ON the ignition switch.
4) Observe the DTC information with a scan tool.