B1158

DTC B1158: Gauge Control Module Lost Communication with Relay Control Module

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 B1158 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 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