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 (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch OFF, and then back ON (II).
- 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.
- Check for DTCs with the HDS.
Is DTC B1005 indicated?
- YES - Go to RELAY CONTROL MODULE INPUT TEST .
- NO - Go to GAUGE CONTROL MODULE INPUT TEST .