U278D

U278D Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U278D 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.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford U278D Fault Code Meaning :

Ford U278D Symptoms :

Ford U278D Reasons :

How To Fix Ford U278D Trouble Code ?

Which Ford cars have the code U278D?

  • U278D Ford Aerostar
  • U278D Ford Bronco
  • U278D Ford C-Max
  • U278D Ford C-Max Energi
  • U278D Ford C-Max Hybrid
  • U278D Ford Contour
  • U278D Ford Crown Victoria
  • U278D Ford EcoSport
  • U278D Ford Econoline
  • U278D Ford Edge
  • U278D Ford Escape
  • U278D Ford Escape Hybrid
  • U278D Ford Escort
  • U278D Ford Everest
  • U278D Ford Excursion
  • U278D Ford Expedition
  • U278D Ford Explorer
  • U278D Ford Explorer Sport Trac
  • U278D Ford F-150
  • U278D Ford F-250
  • U278D Ford F-350
  • U278D Ford Fiesta
  • U278D Ford Flex
  • U278D Ford Focus
  • U278D Ford Focus Electric
  • U278D Ford Freestar
  • U278D Ford Freestyle
  • U278D Ford Fusion
  • U278D Ford Fusion Energi
  • U278D Ford Fusion Hybrid
  • U278D Ford Fusion Plug-In Hybrid
  • U278D Ford GT
  • U278D Ford Mustang
  • U278D Ford Mustang Mach-E
  • U278D Ford Mystique
  • U278D Ford Probe
  • U278D Ford Ranger
  • U278D Ford Taurus
  • U278D Ford Taurus X
  • U278D Ford Tempo
  • U278D Ford Thunderbird
  • U278D Ford Transit
  • U278D Ford Transit Connect
  • U278D 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.