C3439

C3439 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3439 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford C3439 Fault Code Meaning :

Ford C3439 Symptoms :

Ford C3439 Reasons :

How To Fix Ford C3439 Trouble Code ?

Which Ford cars have the code C3439?

  • C3439 Ford Aerostar
  • C3439 Ford Bronco
  • C3439 Ford C-Max
  • C3439 Ford C-Max Energi
  • C3439 Ford C-Max Hybrid
  • C3439 Ford Contour
  • C3439 Ford Crown Victoria
  • C3439 Ford EcoSport
  • C3439 Ford Econoline
  • C3439 Ford Edge
  • C3439 Ford Escape
  • C3439 Ford Escape Hybrid
  • C3439 Ford Escort
  • C3439 Ford Everest
  • C3439 Ford Excursion
  • C3439 Ford Expedition
  • C3439 Ford Explorer
  • C3439 Ford Explorer Sport Trac
  • C3439 Ford F-150
  • C3439 Ford F-250
  • C3439 Ford F-350
  • C3439 Ford Fiesta
  • C3439 Ford Flex
  • C3439 Ford Focus
  • C3439 Ford Focus Electric
  • C3439 Ford Freestar
  • C3439 Ford Freestyle
  • C3439 Ford Fusion
  • C3439 Ford Fusion Energi
  • C3439 Ford Fusion Hybrid
  • C3439 Ford Fusion Plug-In Hybrid
  • C3439 Ford GT
  • C3439 Ford Mustang
  • C3439 Ford Mustang Mach-E
  • C3439 Ford Mystique
  • C3439 Ford Probe
  • C3439 Ford Ranger
  • C3439 Ford Taurus
  • C3439 Ford Taurus X
  • C3439 Ford Tempo
  • C3439 Ford Thunderbird
  • C3439 Ford Transit
  • C3439 Ford Transit Connect
  • C3439 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.