Toyota B1206: P/W Master Switch Communication Stop
Is your scanner showing Toyota B1206?
No worries. We'll show you what it means and how to deal with it.
Toyota B1206: P/W Master Switch Communication Stop
OVERVIEWWhat Does The Toyota B1206 Code Mean?
No communication between the master switch and main body ECU (cowl side junction block LH) for 10 seconds or more.
What Are The Potential Causes Of The Toyota B1206 Code?
- Master switch
- Main body ECU (cowl side junction block LH)
- Harness or connector
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
>>> Master Switch
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Toyota Land Cruiser Tech Doc for B1206 – Pages 187-190.
