P0639

P0639 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P0639 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.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 P0639 Fault Code Meaning :

Ford P0639 Symptoms :

Ford P0639 Reasons :

How To Fix Ford P0639 Trouble Code ?

Which Ford cars have the code P0639?

  • P0639 Ford Aerostar
  • P0639 Ford Bronco
  • P0639 Ford C-Max
  • P0639 Ford C-Max Energi
  • P0639 Ford C-Max Hybrid
  • P0639 Ford Contour
  • P0639 Ford Crown Victoria
  • P0639 Ford EcoSport
  • P0639 Ford Econoline
  • P0639 Ford Edge
  • P0639 Ford Escape
  • P0639 Ford Escape Hybrid
  • P0639 Ford Escort
  • P0639 Ford Everest
  • P0639 Ford Excursion
  • P0639 Ford Expedition
  • P0639 Ford Explorer
  • P0639 Ford Explorer Sport Trac
  • P0639 Ford F-150
  • P0639 Ford F-250
  • P0639 Ford F-350
  • P0639 Ford Fiesta
  • P0639 Ford Flex
  • P0639 Ford Focus
  • P0639 Ford Focus Electric
  • P0639 Ford Freestar
  • P0639 Ford Freestyle
  • P0639 Ford Fusion
  • P0639 Ford Fusion Energi
  • P0639 Ford Fusion Hybrid
  • P0639 Ford Fusion Plug-In Hybrid
  • P0639 Ford GT
  • P0639 Ford Mustang
  • P0639 Ford Mustang Mach-E
  • P0639 Ford Mystique
  • P0639 Ford Probe
  • P0639 Ford Ranger
  • P0639 Ford Taurus
  • P0639 Ford Taurus X
  • P0639 Ford Tempo
  • P0639 Ford Thunderbird
  • P0639 Ford Transit
  • P0639 Ford Transit Connect
  • P0639 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.