P2278

P2278 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P2278 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.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford P2278 Fault Code Meaning :

Ford P2278 Symptoms :

Ford P2278 Reasons :

How To Fix Ford P2278 Trouble Code ?

Which Ford cars have the code P2278?

  • P2278 Ford Aerostar
  • P2278 Ford Bronco
  • P2278 Ford C-Max
  • P2278 Ford C-Max Energi
  • P2278 Ford C-Max Hybrid
  • P2278 Ford Contour
  • P2278 Ford Crown Victoria
  • P2278 Ford EcoSport
  • P2278 Ford Econoline
  • P2278 Ford Edge
  • P2278 Ford Escape
  • P2278 Ford Escape Hybrid
  • P2278 Ford Escort
  • P2278 Ford Everest
  • P2278 Ford Excursion
  • P2278 Ford Expedition
  • P2278 Ford Explorer
  • P2278 Ford Explorer Sport Trac
  • P2278 Ford F-150
  • P2278 Ford F-250
  • P2278 Ford F-350
  • P2278 Ford Fiesta
  • P2278 Ford Flex
  • P2278 Ford Focus
  • P2278 Ford Focus Electric
  • P2278 Ford Freestar
  • P2278 Ford Freestyle
  • P2278 Ford Fusion
  • P2278 Ford Fusion Energi
  • P2278 Ford Fusion Hybrid
  • P2278 Ford Fusion Plug-In Hybrid
  • P2278 Ford GT
  • P2278 Ford Mustang
  • P2278 Ford Mustang Mach-E
  • P2278 Ford Mystique
  • P2278 Ford Probe
  • P2278 Ford Ranger
  • P2278 Ford Taurus
  • P2278 Ford Taurus X
  • P2278 Ford Tempo
  • P2278 Ford Thunderbird
  • P2278 Ford Transit
  • P2278 Ford Transit Connect
  • P2278 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.