B1011

DTC B1011: MICU Lost Communication (VSP/NE Message) with the Gauge 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 B1011 indicated?

YES - Go to step 4

NO - Intermittent failure, the gauge control module is OK at this time Check for loose or poor connection at gauge control module connector B (18P), and at under-dash fuse/relay box connector N (45P) If the connections are good, check the battery condition and the charging system.

4. Check for DTCs of the relay control module, display panel control unit and power seat control unit with the HDS

Are DTC B1060, B1706 and B1805 indicated?

YES - Go to the Gauge Control Module Input Test.

NO - Check for an open, or a short to power or ground in the communication circuit between the MICU and the gauge control module If the circuit is OK, replace the MICU If the circuit is bad, repair the open, or short to power or ground.