B1010

DTC Troubleshooting: B1010

DTC B1010:

MICU Lost Communication With Door Multiplex Control Unit (Panic 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.

1. Clear the DTCs with the HDS.

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

3. Check for DTCs with the HDS.

Is DTC B1010 indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections between the door multiplex control unit and the under-dash fuse/relay box.�

4. Check for DTCs with the HDS.

Is DTC B1059 also indicated?

YES -

Do the door multiplex control unit input test Door Multiplex Control Unit Input Test.�

NO -

Do the MICU input test MICU Input Test.�