C0637

C0637 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0637 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 C0637 Fault Code Meaning :

Ford C0637 Symptoms :

Ford C0637 Reasons :

How To Fix Ford C0637 Trouble Code ?

Which Ford cars have the code C0637?

  • C0637 Ford Aerostar
  • C0637 Ford Bronco
  • C0637 Ford C-Max
  • C0637 Ford C-Max Energi
  • C0637 Ford C-Max Hybrid
  • C0637 Ford Contour
  • C0637 Ford Crown Victoria
  • C0637 Ford EcoSport
  • C0637 Ford Econoline
  • C0637 Ford Edge
  • C0637 Ford Escape
  • C0637 Ford Escape Hybrid
  • C0637 Ford Escort
  • C0637 Ford Everest
  • C0637 Ford Excursion
  • C0637 Ford Expedition
  • C0637 Ford Explorer
  • C0637 Ford Explorer Sport Trac
  • C0637 Ford F-150
  • C0637 Ford F-250
  • C0637 Ford F-350
  • C0637 Ford Fiesta
  • C0637 Ford Flex
  • C0637 Ford Focus
  • C0637 Ford Focus Electric
  • C0637 Ford Freestar
  • C0637 Ford Freestyle
  • C0637 Ford Fusion
  • C0637 Ford Fusion Energi
  • C0637 Ford Fusion Hybrid
  • C0637 Ford Fusion Plug-In Hybrid
  • C0637 Ford GT
  • C0637 Ford Mustang
  • C0637 Ford Mustang Mach-E
  • C0637 Ford Mystique
  • C0637 Ford Probe
  • C0637 Ford Ranger
  • C0637 Ford Taurus
  • C0637 Ford Taurus X
  • C0637 Ford Tempo
  • C0637 Ford Thunderbird
  • C0637 Ford Transit
  • C0637 Ford Transit Connect
  • C0637 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.