P3939

P3939 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3939 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.The wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

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

Ford P3939 Fault Code Meaning :

Ford P3939 Symptoms :

Ford P3939 Reasons :

How To Fix Ford P3939 Trouble Code ?

Which Ford cars have the code P3939?

  • P3939 Ford Aerostar
  • P3939 Ford Bronco
  • P3939 Ford C-Max
  • P3939 Ford C-Max Energi
  • P3939 Ford C-Max Hybrid
  • P3939 Ford Contour
  • P3939 Ford Crown Victoria
  • P3939 Ford EcoSport
  • P3939 Ford Econoline
  • P3939 Ford Edge
  • P3939 Ford Escape
  • P3939 Ford Escape Hybrid
  • P3939 Ford Escort
  • P3939 Ford Everest
  • P3939 Ford Excursion
  • P3939 Ford Expedition
  • P3939 Ford Explorer
  • P3939 Ford Explorer Sport Trac
  • P3939 Ford F-150
  • P3939 Ford F-250
  • P3939 Ford F-350
  • P3939 Ford Fiesta
  • P3939 Ford Flex
  • P3939 Ford Focus
  • P3939 Ford Focus Electric
  • P3939 Ford Freestar
  • P3939 Ford Freestyle
  • P3939 Ford Fusion
  • P3939 Ford Fusion Energi
  • P3939 Ford Fusion Hybrid
  • P3939 Ford Fusion Plug-In Hybrid
  • P3939 Ford GT
  • P3939 Ford Mustang
  • P3939 Ford Mustang Mach-E
  • P3939 Ford Mystique
  • P3939 Ford Probe
  • P3939 Ford Ranger
  • P3939 Ford Taurus
  • P3939 Ford Taurus X
  • P3939 Ford Tempo
  • P3939 Ford Thunderbird
  • P3939 Ford Transit
  • P3939 Ford Transit Connect
  • P3939 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.