P3859

P3859 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3859 Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short circuit fault.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 top-of-clutch switch and bottom-of-clutch switch are both measured as closed at the same time. Troubleshoot for clutch switch shorted, or for a wiring fault between the clutch switch and the BHM.

Ford P3859 Fault Code Meaning :

Ford P3859 Symptoms :

Ford P3859 Reasons :

How To Fix Ford P3859 Trouble Code ?

Which Ford cars have the code P3859?

  • P3859 Ford Aerostar
  • P3859 Ford Bronco
  • P3859 Ford C-Max
  • P3859 Ford C-Max Energi
  • P3859 Ford C-Max Hybrid
  • P3859 Ford Contour
  • P3859 Ford Crown Victoria
  • P3859 Ford EcoSport
  • P3859 Ford Econoline
  • P3859 Ford Edge
  • P3859 Ford Escape
  • P3859 Ford Escape Hybrid
  • P3859 Ford Escort
  • P3859 Ford Everest
  • P3859 Ford Excursion
  • P3859 Ford Expedition
  • P3859 Ford Explorer
  • P3859 Ford Explorer Sport Trac
  • P3859 Ford F-150
  • P3859 Ford F-250
  • P3859 Ford F-350
  • P3859 Ford Fiesta
  • P3859 Ford Flex
  • P3859 Ford Focus
  • P3859 Ford Focus Electric
  • P3859 Ford Freestar
  • P3859 Ford Freestyle
  • P3859 Ford Fusion
  • P3859 Ford Fusion Energi
  • P3859 Ford Fusion Hybrid
  • P3859 Ford Fusion Plug-In Hybrid
  • P3859 Ford GT
  • P3859 Ford Mustang
  • P3859 Ford Mustang Mach-E
  • P3859 Ford Mystique
  • P3859 Ford Probe
  • P3859 Ford Ranger
  • P3859 Ford Taurus
  • P3859 Ford Taurus X
  • P3859 Ford Tempo
  • P3859 Ford Thunderbird
  • P3859 Ford Transit
  • P3859 Ford Transit Connect
  • P3859 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.