B1013

DTC B1013: MICU Lost Communication with Driver's MPCS Unit (ASLOCKSW Message)

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF and then back ON (II).
3. Wait for 6 seconds.
4. Check for DTCs with the HDS.

Is DTC B1013 indicated?

YES - Go to step 5.

NO - Intermittent failure. The system is OK at this time. Check for loose or poor connections.

5. Check for DTCs with the HDS.

Are DTCs B1407 and B1615 also indicated?

YES - Go to Driver's MPCS Input Test. Driver's MPCS Unit Input Test

NO - Check for an open 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.