B3861

B3861 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3861 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford B3861 Fault Code Meaning :

Ford B3861 Symptoms :

Ford B3861 Reasons :

How To Fix Ford B3861 Trouble Code ?

Which Ford cars have the code B3861?

  • B3861 Ford Aerostar
  • B3861 Ford Bronco
  • B3861 Ford C-Max
  • B3861 Ford C-Max Energi
  • B3861 Ford C-Max Hybrid
  • B3861 Ford Contour
  • B3861 Ford Crown Victoria
  • B3861 Ford EcoSport
  • B3861 Ford Econoline
  • B3861 Ford Edge
  • B3861 Ford Escape
  • B3861 Ford Escape Hybrid
  • B3861 Ford Escort
  • B3861 Ford Everest
  • B3861 Ford Excursion
  • B3861 Ford Expedition
  • B3861 Ford Explorer
  • B3861 Ford Explorer Sport Trac
  • B3861 Ford F-150
  • B3861 Ford F-250
  • B3861 Ford F-350
  • B3861 Ford Fiesta
  • B3861 Ford Flex
  • B3861 Ford Focus
  • B3861 Ford Focus Electric
  • B3861 Ford Freestar
  • B3861 Ford Freestyle
  • B3861 Ford Fusion
  • B3861 Ford Fusion Energi
  • B3861 Ford Fusion Hybrid
  • B3861 Ford Fusion Plug-In Hybrid
  • B3861 Ford GT
  • B3861 Ford Mustang
  • B3861 Ford Mustang Mach-E
  • B3861 Ford Mystique
  • B3861 Ford Probe
  • B3861 Ford Ranger
  • B3861 Ford Taurus
  • B3861 Ford Taurus X
  • B3861 Ford Tempo
  • B3861 Ford Thunderbird
  • B3861 Ford Transit
  • B3861 Ford Transit Connect
  • B3861 Ford Windstar

A code is a fault code and it indicates that something has gone wrong with your car's engine.

It can be caused by many different problems, including a faulty battery, a bad fuel pump, or even a cracked exhaust manifold.

You will need to diagnose the problem before you can fix it. The best way to do this is with an OBD scanner tool.

A scan tool will tell you what needs fixing and how much it will cost in order to fix that particular issue.