B2191
DTC Troubleshooting: B2191
DTC B2191:
Assistant Door ECU Internal Error (EEPROM Error)
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 B2191 indicated?
YES -
Replace the front passenger's MPCS unit Power Windows (Front Passengers MPCS Unit) Input Test/Replacement.
NO -
Intermittent failure, the system is OK at this time.