B2107

DTC B2107: Adaptive Front Lighting Control Unit Lost Communication with MICU (MICU Message)

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

Is DTC B2107 indicated?

YES - Go to step 5.

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

5. Check for DTCs with the HDS.

Are DTCs B1055, B1157, B1255, B1605, B1806, and B2155 also indicated?

YES - Go to the MICU input test. MICU Input Test

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