B1011

DTC Troubleshooting: B1011

DTC B1011:

MICU Lost Communication With Gauge Control Module (VSP/NE Message)

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.
- Before troubleshooting, check the No. B1 (15 A) and No. B22 (7.5 A) fuse in the under-dash fuse/relay box.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Wait for at least 6 seconds.

4. Check for DTCs with the HDS.

Is DTCs B1011 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections of the gauge control module 32P connector and at the under-dash fuse/relay box connector Y (16P). If the connections are good, check the 12 volt battery condition and the charging system.�

5. Check for DTCs with the HDS.

Is DTC B1000 also indicated with DTC B1011?

YES -

Troubleshoot DTC B1000 B1000.�

NO -

Go to the gauge control module input test Gauge Control Module Input Test. If the tests prove OK, replace the gauge control module Service and Repair.�