Toyota P3105: Battery Smart Unit Communication Circuit Malfunction
Is your scanner showing Toyota P3105?
No worries. We'll show you what it means and how to deal with it.
Toyota P3105: Battery Smart Unit Communication Circuit Malfunction
OVERVIEWWhat Does The Toyota P3105 Code Mean?
Problem in serial communication between the battery smart unit and HV control ECU (1 trip).
What Are The Potential Causes Of The Toyota P3105 Code?
- Wire harness or connector
- HV control ECU
- Battery pack wire
- Battery smart 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
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> INNOVA 5210
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Prius Repair Manual for P3105 – Pages 199-200.
