P2638

P2638 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P2638 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 position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

Engine starting is disabled and other optional functions may be interrupted until the fault is corrected and the ignition switch is cycled.

Ford P2638 Fault Code Meaning :

Ford P2638 Symptoms :

Ford P2638 Reasons :

How To Fix Ford P2638 Trouble Code ?

Which Ford cars have the code P2638?

  • P2638 Ford Aerostar
  • P2638 Ford Bronco
  • P2638 Ford C-Max
  • P2638 Ford C-Max Energi
  • P2638 Ford C-Max Hybrid
  • P2638 Ford Contour
  • P2638 Ford Crown Victoria
  • P2638 Ford EcoSport
  • P2638 Ford Econoline
  • P2638 Ford Edge
  • P2638 Ford Escape
  • P2638 Ford Escape Hybrid
  • P2638 Ford Escort
  • P2638 Ford Everest
  • P2638 Ford Excursion
  • P2638 Ford Expedition
  • P2638 Ford Explorer
  • P2638 Ford Explorer Sport Trac
  • P2638 Ford F-150
  • P2638 Ford F-250
  • P2638 Ford F-350
  • P2638 Ford Fiesta
  • P2638 Ford Flex
  • P2638 Ford Focus
  • P2638 Ford Focus Electric
  • P2638 Ford Freestar
  • P2638 Ford Freestyle
  • P2638 Ford Fusion
  • P2638 Ford Fusion Energi
  • P2638 Ford Fusion Hybrid
  • P2638 Ford Fusion Plug-In Hybrid
  • P2638 Ford GT
  • P2638 Ford Mustang
  • P2638 Ford Mustang Mach-E
  • P2638 Ford Mystique
  • P2638 Ford Probe
  • P2638 Ford Ranger
  • P2638 Ford Taurus
  • P2638 Ford Taurus X
  • P2638 Ford Tempo
  • P2638 Ford Thunderbird
  • P2638 Ford Transit
  • P2638 Ford Transit Connect
  • P2638 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.