Acura B2155: Driver's MPCS Unit Lost Communication with MICU (MICU Message)
Is your scanner showing Acura B2155?
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Acura B2155: Driver's MPCS Unit Lost Communication with MICU (MICU Message)
OVERVIEWWhat Does The Acura B2155 Code Mean?
This code indicates poor communication between the Driver’s MPCS Unit and the MICU. (MICU malfunction).
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 B2155 Code?
Below are some possible causes of this DTC:
- Loose or poor connections between the driver’s MPCS unit and the MICU
- “Open” or “Short” to ground
- Faulty MICU, replace the under-dash fuse/relay box
- Faulty Driver’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:
>>> Twippo 372Pcs Waterproof Wire Connectors 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 B2155, DTCDECODE.
