B2191

DTC B2191: Passenger's MPCS Unit EEPROM Error

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 B2191 indicated?

YES - Replace the passenger's MPCS unit.

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