B1166

DTC B1166: Gauge Control Module Lost Communication with Adaptive Front Lighting Control Unit (AFS Message)

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test mode A.

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF and then back ON (II).
3. Wait for 6 seconds.
4. Check for DTCs with the HDS.

Is DTC B1166 indicated?

YES - Go to the Adaptive Front Lighting Control Unit Input Test.

NO - Go to the Gauge Control Module Input Test. Gauge Control Module Input Test