P638C

P638C Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P638C Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford P638C Fault Code Meaning :

Ford P638C Symptoms :

Ford P638C Reasons :

How To Fix Ford P638C Trouble Code ?

Which Ford cars have the code P638C?

  • P638C Ford Aerostar
  • P638C Ford Bronco
  • P638C Ford C-Max
  • P638C Ford C-Max Energi
  • P638C Ford C-Max Hybrid
  • P638C Ford Contour
  • P638C Ford Crown Victoria
  • P638C Ford EcoSport
  • P638C Ford Econoline
  • P638C Ford Edge
  • P638C Ford Escape
  • P638C Ford Escape Hybrid
  • P638C Ford Escort
  • P638C Ford Everest
  • P638C Ford Excursion
  • P638C Ford Expedition
  • P638C Ford Explorer
  • P638C Ford Explorer Sport Trac
  • P638C Ford F-150
  • P638C Ford F-250
  • P638C Ford F-350
  • P638C Ford Fiesta
  • P638C Ford Flex
  • P638C Ford Focus
  • P638C Ford Focus Electric
  • P638C Ford Freestar
  • P638C Ford Freestyle
  • P638C Ford Fusion
  • P638C Ford Fusion Energi
  • P638C Ford Fusion Hybrid
  • P638C Ford Fusion Plug-In Hybrid
  • P638C Ford GT
  • P638C Ford Mustang
  • P638C Ford Mustang Mach-E
  • P638C Ford Mystique
  • P638C Ford Probe
  • P638C Ford Ranger
  • P638C Ford Taurus
  • P638C Ford Taurus X
  • P638C Ford Tempo
  • P638C Ford Thunderbird
  • P638C Ford Transit
  • P638C Ford Transit Connect
  • P638C 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.