DTC B2191: Front Passenger's MPCS Unit Internal (EEPROM) Error
WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0), and then back ON (II).
- Check for DTCs with the HDS.
Is DTC B2191 indicated?
YES - Replace the front passenger's MPCS unit.
NO - Intermittent failure, the system is OK at this time.