B2159

DTC B2159: Driver's MPCS Unit Lost Communication with Keyless Access Control Unit (REMOTE Message)

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 B2159 indicated?

YES - Go to step 4.

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

4. Check for DTCs with the HDS.

Is DTC B1161 also indicated?

YES - Go to the Keyless Access Control Unit Input Test. Control Unit Input Test

NO - Go to the Driver's MPCS Unit Input Test. Driver's MPCS Unit Input Test