Acura B2178: Front Passenger's Power Window Motor Pulse B Error
Is your scanner showing Acura B2178?
No worries. We'll show you what it means and how to deal with it.
Acura B2178: Front Passenger's Power Window Motor Pulse B Error
OVERVIEWWhat Does The Acura B2178 Code Mean?
This code indicates Front Passenger’s Power Window Motor 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 B2178 Code?
Below are some potential causes of this DTC:
- Check for loose or poor connections
- “Open” or “Short” Condition between the Front Passenger’s Power Window Motor and the Front Passenger’s MPCS Unit
- Faulty Front Passenger’s Power Window Motor
- 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:
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Front Right Passenger Side Power Window Regulator with Motor
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Acura B2178, DTCDECODE.