P0638

P0638 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P0638 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 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 P0638 Fault Code Meaning :

Ford P0638 Symptoms :

Ford P0638 Reasons :

How To Fix Ford P0638 Trouble Code ?

Which Ford cars have the code P0638?

  • P0638 Ford Aerostar
  • P0638 Ford Bronco
  • P0638 Ford C-Max
  • P0638 Ford C-Max Energi
  • P0638 Ford C-Max Hybrid
  • P0638 Ford Contour
  • P0638 Ford Crown Victoria
  • P0638 Ford EcoSport
  • P0638 Ford Econoline
  • P0638 Ford Edge
  • P0638 Ford Escape
  • P0638 Ford Escape Hybrid
  • P0638 Ford Escort
  • P0638 Ford Everest
  • P0638 Ford Excursion
  • P0638 Ford Expedition
  • P0638 Ford Explorer
  • P0638 Ford Explorer Sport Trac
  • P0638 Ford F-150
  • P0638 Ford F-250
  • P0638 Ford F-350
  • P0638 Ford Fiesta
  • P0638 Ford Flex
  • P0638 Ford Focus
  • P0638 Ford Focus Electric
  • P0638 Ford Freestar
  • P0638 Ford Freestyle
  • P0638 Ford Fusion
  • P0638 Ford Fusion Energi
  • P0638 Ford Fusion Hybrid
  • P0638 Ford Fusion Plug-In Hybrid
  • P0638 Ford GT
  • P0638 Ford Mustang
  • P0638 Ford Mustang Mach-E
  • P0638 Ford Mystique
  • P0638 Ford Probe
  • P0638 Ford Ranger
  • P0638 Ford Taurus
  • P0638 Ford Taurus X
  • P0638 Ford Tempo
  • P0638 Ford Thunderbird
  • P0638 Ford Transit
  • P0638 Ford Transit Connect
  • P0638 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.