DTC B1157: Gauge Control Module Lost Communication With MICU (MICU Message); DTC B1180: Gauge Control Module Lost Communication With MICU (AUTOLT Message)
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 to LOCK (0), and then back to ON (II).
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
Is DTC B1157 and/or B1180 indicated?
YES -Go to step 5.
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections between the gauge control module and MICU.
- Check for DTCs with the HDS.
Are DTCs B1055, B1056, B1255, B1806, B2107, and/or B2155 also indicated?
YES -Do the MICU input test. See MICU INPUT TEST .
NO -Do the gauge control module input test. See GAUGE CONTROL MODULE INPUT TEST .