B1155

DTC Troubleshooting: 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 Troubleshooting - B-CAN System Diagnosis Test Mode A.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0), and then back to ON (II).

3. Wait for at least 6 seconds.

4. Check for DTCs with the HDS.

Is DTC B1155 indicated?

YES -

Go to step 5.

NO -

Intermittent failure. The gauge control system is OK at this time. Check for loose or poor connections.�

5. Check for DTCs with the HDS.

Are DTCs B1007, B1062, B1555, and B1957 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.�