U0438

U0438 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0438 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 U0438 Fault Code Meaning :

Ford U0438 Symptoms :

Ford U0438 Reasons :

How To Fix Ford U0438 Trouble Code ?

Which Ford cars have the code U0438?

  • U0438 Ford Aerostar
  • U0438 Ford Bronco
  • U0438 Ford C-Max
  • U0438 Ford C-Max Energi
  • U0438 Ford C-Max Hybrid
  • U0438 Ford Contour
  • U0438 Ford Crown Victoria
  • U0438 Ford EcoSport
  • U0438 Ford Econoline
  • U0438 Ford Edge
  • U0438 Ford Escape
  • U0438 Ford Escape Hybrid
  • U0438 Ford Escort
  • U0438 Ford Everest
  • U0438 Ford Excursion
  • U0438 Ford Expedition
  • U0438 Ford Explorer
  • U0438 Ford Explorer Sport Trac
  • U0438 Ford F-150
  • U0438 Ford F-250
  • U0438 Ford F-350
  • U0438 Ford Fiesta
  • U0438 Ford Flex
  • U0438 Ford Focus
  • U0438 Ford Focus Electric
  • U0438 Ford Freestar
  • U0438 Ford Freestyle
  • U0438 Ford Fusion
  • U0438 Ford Fusion Energi
  • U0438 Ford Fusion Hybrid
  • U0438 Ford Fusion Plug-In Hybrid
  • U0438 Ford GT
  • U0438 Ford Mustang
  • U0438 Ford Mustang Mach-E
  • U0438 Ford Mystique
  • U0438 Ford Probe
  • U0438 Ford Ranger
  • U0438 Ford Taurus
  • U0438 Ford Taurus X
  • U0438 Ford Tempo
  • U0438 Ford Thunderbird
  • U0438 Ford Transit
  • U0438 Ford Transit Connect
  • U0438 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.