B1158

DTC B1158: Gauge Control Module Lost Communication with Relay Control Module (RM 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. Wait for 6 seconds or more.
4. Check for DTCs with the HDS.

Is DTC B1158 indicated?

YES - Go to step 5.

NO - Intermittent failure. The gauge control module is OK at this time. Check for loose or poor connections.

5. Check for DTCs with the HDS.

Is DTC B1005 also indicated?

YES - Go to relay control module input test. Relay Control Module Input Test

NO - Go to gauge control module input test. Gauge Control Module Input Test