U278C

U278C Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U278C Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford U278C Fault Code Meaning :

Ford U278C Symptoms :

Ford U278C Reasons :

How To Fix Ford U278C Trouble Code ?

Which Ford cars have the code U278C?

  • U278C Ford Aerostar
  • U278C Ford Bronco
  • U278C Ford C-Max
  • U278C Ford C-Max Energi
  • U278C Ford C-Max Hybrid
  • U278C Ford Contour
  • U278C Ford Crown Victoria
  • U278C Ford EcoSport
  • U278C Ford Econoline
  • U278C Ford Edge
  • U278C Ford Escape
  • U278C Ford Escape Hybrid
  • U278C Ford Escort
  • U278C Ford Everest
  • U278C Ford Excursion
  • U278C Ford Expedition
  • U278C Ford Explorer
  • U278C Ford Explorer Sport Trac
  • U278C Ford F-150
  • U278C Ford F-250
  • U278C Ford F-350
  • U278C Ford Fiesta
  • U278C Ford Flex
  • U278C Ford Focus
  • U278C Ford Focus Electric
  • U278C Ford Freestar
  • U278C Ford Freestyle
  • U278C Ford Fusion
  • U278C Ford Fusion Energi
  • U278C Ford Fusion Hybrid
  • U278C Ford Fusion Plug-In Hybrid
  • U278C Ford GT
  • U278C Ford Mustang
  • U278C Ford Mustang Mach-E
  • U278C Ford Mystique
  • U278C Ford Probe
  • U278C Ford Ranger
  • U278C Ford Taurus
  • U278C Ford Taurus X
  • U278C Ford Tempo
  • U278C Ford Thunderbird
  • U278C Ford Transit
  • U278C Ford Transit Connect
  • U278C 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.