C1438

C1438 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1438 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.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.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford C1438 Fault Code Meaning :

Ford C1438 Symptoms :

Ford C1438 Reasons :

How To Fix Ford C1438 Trouble Code ?

Which Ford cars have the code C1438?

  • C1438 Ford Aerostar
  • C1438 Ford Bronco
  • C1438 Ford C-Max
  • C1438 Ford C-Max Energi
  • C1438 Ford C-Max Hybrid
  • C1438 Ford Contour
  • C1438 Ford Crown Victoria
  • C1438 Ford EcoSport
  • C1438 Ford Econoline
  • C1438 Ford Edge
  • C1438 Ford Escape
  • C1438 Ford Escape Hybrid
  • C1438 Ford Escort
  • C1438 Ford Everest
  • C1438 Ford Excursion
  • C1438 Ford Expedition
  • C1438 Ford Explorer
  • C1438 Ford Explorer Sport Trac
  • C1438 Ford F-150
  • C1438 Ford F-250
  • C1438 Ford F-350
  • C1438 Ford Fiesta
  • C1438 Ford Flex
  • C1438 Ford Focus
  • C1438 Ford Focus Electric
  • C1438 Ford Freestar
  • C1438 Ford Freestyle
  • C1438 Ford Fusion
  • C1438 Ford Fusion Energi
  • C1438 Ford Fusion Hybrid
  • C1438 Ford Fusion Plug-In Hybrid
  • C1438 Ford GT
  • C1438 Ford Mustang
  • C1438 Ford Mustang Mach-E
  • C1438 Ford Mystique
  • C1438 Ford Probe
  • C1438 Ford Ranger
  • C1438 Ford Taurus
  • C1438 Ford Taurus X
  • C1438 Ford Tempo
  • C1438 Ford Thunderbird
  • C1438 Ford Transit
  • C1438 Ford Transit Connect
  • C1438 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.