Acura B2191: Front Passenger's MPCS Unit Internal (EEPROM) Error

Is your scanner showing Acura B2191?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Acura B2191: Front Passenger's MPCS Unit Internal (EEPROM) Error

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Advanced
Repair Cost
:
$300-$500
Can I Still Drive?
:
Yes

What Does The Acura B2191 Code Mean?

Front Passenger’s MPCS Unit Internal failure.

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

What Are The Potential Causes Of The Acura B2191 Code?

Faulty Front Passenger’s MPCS unit

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Acura Under-dash Fuse/Relay Box

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Acura B2191, DTCDECODE.

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