Acura B1955: Rear MICU Lost Communication with MICU (MICU Message)
Is your scanner showing Acura B1955?
No worries. We'll show you what it means and how to deal with it.
Acura B1955: Rear MICU Lost Communication with MICU (MICU Message)
OVERVIEWWhat Does The Acura B1955 Code Mean?
Poor communication between the Rear Fuse/Relay Box and the MICU.
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.
If DTCs B1055, B1056, B1057, B1157, B1159, B1180, B1255, B1955, B2155, B2156, and/or B2161 are indicated, perform the MICU input test.
If no codes are present, perform the rear MICU input test.
What Are The Potential Causes Of The Acura B1955 Code?
- Loose or poor connections between the Rear Fuse/Relay Box and the MICU
- Blown fuse in the main under-hood fuse box
- Blown fuse in the under-dash fuse/relay box
- “Open” or “Short” Condition between the Rear Fuse/Relay Box and the MICU
- Faulty MICU Under-Dash Fuse/Relay Box.
- Faulty Rear Fuse/Relay Box and the MICU
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 B1955, DTCDECODE.
