DTC B1006: MICU Lost Communication with Door Multiplex Control Unit Door Lock Switch Message

1. Clear the DTCs using the HDS.

1. Cycle the ignition switch to OFF, and then back ON.

1. Check for DTCs by selecting the DTCs MENU (DTCs) of the HDS.

Is DTC B1006 indicated?

YES | - | Go to Step 4 .
NO | - | Intermittent failure, the door multiplex control unit is OK at this time.■

1. Check for DTCs in the gauge control module and relay module by selecting the DTCs MENU (DTCs) from the HDS.

Is DTC B1160 and B1058 indicated?

YES | - | Go to door multiplex control unit input test. ■
NO | - | Check for an open, or a short to power or ground in the communication circuit between the MICU and the relay module. If the circuit is OK, replace the MICU . If the circuit is bad, repair the open, or short to power or ground.■