B3959

B3959 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3959 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 B3959 Fault Code Meaning :

Ford B3959 Symptoms :

Ford B3959 Reasons :

How To Fix Ford B3959 Trouble Code ?

Which Ford cars have the code B3959?

  • B3959 Ford Aerostar
  • B3959 Ford Bronco
  • B3959 Ford C-Max
  • B3959 Ford C-Max Energi
  • B3959 Ford C-Max Hybrid
  • B3959 Ford Contour
  • B3959 Ford Crown Victoria
  • B3959 Ford EcoSport
  • B3959 Ford Econoline
  • B3959 Ford Edge
  • B3959 Ford Escape
  • B3959 Ford Escape Hybrid
  • B3959 Ford Escort
  • B3959 Ford Everest
  • B3959 Ford Excursion
  • B3959 Ford Expedition
  • B3959 Ford Explorer
  • B3959 Ford Explorer Sport Trac
  • B3959 Ford F-150
  • B3959 Ford F-250
  • B3959 Ford F-350
  • B3959 Ford Fiesta
  • B3959 Ford Flex
  • B3959 Ford Focus
  • B3959 Ford Focus Electric
  • B3959 Ford Freestar
  • B3959 Ford Freestyle
  • B3959 Ford Fusion
  • B3959 Ford Fusion Energi
  • B3959 Ford Fusion Hybrid
  • B3959 Ford Fusion Plug-In Hybrid
  • B3959 Ford GT
  • B3959 Ford Mustang
  • B3959 Ford Mustang Mach-E
  • B3959 Ford Mystique
  • B3959 Ford Probe
  • B3959 Ford Ranger
  • B3959 Ford Taurus
  • B3959 Ford Taurus X
  • B3959 Ford Tempo
  • B3959 Ford Thunderbird
  • B3959 Ford Transit
  • B3959 Ford Transit Connect
  • B3959 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.