U0278

U0278 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0278 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 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 BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford U0278 Fault Code Meaning :

Ford U0278 Symptoms :

Ford U0278 Reasons :

How To Fix Ford U0278 Trouble Code ?

Which Ford cars have the code U0278?

  • U0278 Ford Aerostar
  • U0278 Ford Bronco
  • U0278 Ford C-Max
  • U0278 Ford C-Max Energi
  • U0278 Ford C-Max Hybrid
  • U0278 Ford Contour
  • U0278 Ford Crown Victoria
  • U0278 Ford EcoSport
  • U0278 Ford Econoline
  • U0278 Ford Edge
  • U0278 Ford Escape
  • U0278 Ford Escape Hybrid
  • U0278 Ford Escort
  • U0278 Ford Everest
  • U0278 Ford Excursion
  • U0278 Ford Expedition
  • U0278 Ford Explorer
  • U0278 Ford Explorer Sport Trac
  • U0278 Ford F-150
  • U0278 Ford F-250
  • U0278 Ford F-350
  • U0278 Ford Fiesta
  • U0278 Ford Flex
  • U0278 Ford Focus
  • U0278 Ford Focus Electric
  • U0278 Ford Freestar
  • U0278 Ford Freestyle
  • U0278 Ford Fusion
  • U0278 Ford Fusion Energi
  • U0278 Ford Fusion Hybrid
  • U0278 Ford Fusion Plug-In Hybrid
  • U0278 Ford GT
  • U0278 Ford Mustang
  • U0278 Ford Mustang Mach-E
  • U0278 Ford Mystique
  • U0278 Ford Probe
  • U0278 Ford Ranger
  • U0278 Ford Taurus
  • U0278 Ford Taurus X
  • U0278 Ford Tempo
  • U0278 Ford Thunderbird
  • U0278 Ford Transit
  • U0278 Ford Transit Connect
  • U0278 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.