B1156

DTC B1156: Gauge Control Module Lost Communication with Combination Switch Control Unit (Wiper 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 B1156 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.

Is DTC B1063 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