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 (
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0), and then back to ON (II).
- Wait for 6 seconds or more.
- Check for DTCs with the HDS.
Is DTC B1158 indicated?
YES - Go to step 5.
NO - Intermittent failure. The gauge control system is OK at this time. Check for loose or poor and connections.
- Check for DTCs with the HDS.
Are DTCs B1005 and B1959 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 ).