B1155

DTC B1155: Gauge Control Module Lost Communication with Combination Switch Control Unit (Headlight Switch 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. Check for DTCs with the HDS.

Is DTC B1155 indicated?

YES - Go to step 4.

NO - Intermittent failure. The gauge control system is OK at this time. Check pinfits and connections.

4. Check for DTCs with the HDS.

Are DTCs B1007 or B1062, B1555 also indicated?

YES - Go to Combination Switch Control Unit Input Test. Combination Switch Control Unit Input Test

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