P638F

P638F Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P638F 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 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 P638F Fault Code Meaning :

Ford P638F Symptoms :

Ford P638F Reasons :

How To Fix Ford P638F Trouble Code ?

Which Ford cars have the code P638F?

  • P638F Ford Aerostar
  • P638F Ford Bronco
  • P638F Ford C-Max
  • P638F Ford C-Max Energi
  • P638F Ford C-Max Hybrid
  • P638F Ford Contour
  • P638F Ford Crown Victoria
  • P638F Ford EcoSport
  • P638F Ford Econoline
  • P638F Ford Edge
  • P638F Ford Escape
  • P638F Ford Escape Hybrid
  • P638F Ford Escort
  • P638F Ford Everest
  • P638F Ford Excursion
  • P638F Ford Expedition
  • P638F Ford Explorer
  • P638F Ford Explorer Sport Trac
  • P638F Ford F-150
  • P638F Ford F-250
  • P638F Ford F-350
  • P638F Ford Fiesta
  • P638F Ford Flex
  • P638F Ford Focus
  • P638F Ford Focus Electric
  • P638F Ford Freestar
  • P638F Ford Freestyle
  • P638F Ford Fusion
  • P638F Ford Fusion Energi
  • P638F Ford Fusion Hybrid
  • P638F Ford Fusion Plug-In Hybrid
  • P638F Ford GT
  • P638F Ford Mustang
  • P638F Ford Mustang Mach-E
  • P638F Ford Mystique
  • P638F Ford Probe
  • P638F Ford Ranger
  • P638F Ford Taurus
  • P638F Ford Taurus X
  • P638F Ford Tempo
  • P638F Ford Thunderbird
  • P638F Ford Transit
  • P638F Ford Transit Connect
  • P638F 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.