C2638

C2638 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C2638 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 top-of-clutch switch and bottom-of-clutch switch are both measured as closed at the same time. Troubleshoot for clutch switch shorted, or for a wiring fault between the clutch switch and the BHM.

Ford C2638 Fault Code Meaning :

Ford C2638 Symptoms :

Ford C2638 Reasons :

How To Fix Ford C2638 Trouble Code ?

Which Ford cars have the code C2638?

  • C2638 Ford Aerostar
  • C2638 Ford Bronco
  • C2638 Ford C-Max
  • C2638 Ford C-Max Energi
  • C2638 Ford C-Max Hybrid
  • C2638 Ford Contour
  • C2638 Ford Crown Victoria
  • C2638 Ford EcoSport
  • C2638 Ford Econoline
  • C2638 Ford Edge
  • C2638 Ford Escape
  • C2638 Ford Escape Hybrid
  • C2638 Ford Escort
  • C2638 Ford Everest
  • C2638 Ford Excursion
  • C2638 Ford Expedition
  • C2638 Ford Explorer
  • C2638 Ford Explorer Sport Trac
  • C2638 Ford F-150
  • C2638 Ford F-250
  • C2638 Ford F-350
  • C2638 Ford Fiesta
  • C2638 Ford Flex
  • C2638 Ford Focus
  • C2638 Ford Focus Electric
  • C2638 Ford Freestar
  • C2638 Ford Freestyle
  • C2638 Ford Fusion
  • C2638 Ford Fusion Energi
  • C2638 Ford Fusion Hybrid
  • C2638 Ford Fusion Plug-In Hybrid
  • C2638 Ford GT
  • C2638 Ford Mustang
  • C2638 Ford Mustang Mach-E
  • C2638 Ford Mystique
  • C2638 Ford Probe
  • C2638 Ford Ranger
  • C2638 Ford Taurus
  • C2638 Ford Taurus X
  • C2638 Ford Tempo
  • C2638 Ford Thunderbird
  • C2638 Ford Transit
  • C2638 Ford Transit Connect
  • C2638 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.