B2106

DTC B2106: Adaptive Front Lighting Control Unit Lost Communication with Gauge Control Module (A/T Message)

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

Is DTC B2106 indicated?

YES - Go to step 4.

NO - Intermittent failure, the adaptive front lighting system is OK at this time. Check for loose or poor connections at the gauge control module connector and at the adaptive front lighting control unit connector.

4. Check for other DTCs with the HDS.

Are DTCs B1008, B1061, and B 1808 also indicated?

YES - Go to the Gauge Control Module Input Test. Gauge Control Module Input Test

NO - Faulty adaptive front lighting control unit, replace it and do the adaptive front lighting control unit learning procedure.