B1155

DTC B1155: Gauge Control Module Lost Communication (Headlight Switch Message) with the Combination Switch Control Unit

1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF and then back ON.
3. Check for DTCs by selecting the DTCs MENU (DTCs) from 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 by selecting the DTCs MENU (DTCs) from the HDS.

Is DTC B1007 or B1062 indicated?

YES - Go to Combination Switch Control Unit Input Test.

NO - Go to Gauge Control Module Input Test.