P278D

P278D Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P278D Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 P278D Fault Code Meaning :

Ford P278D Symptoms :

Ford P278D Reasons :

How To Fix Ford P278D Trouble Code ?

Which Ford cars have the code P278D?

  • P278D Ford Aerostar
  • P278D Ford Bronco
  • P278D Ford C-Max
  • P278D Ford C-Max Energi
  • P278D Ford C-Max Hybrid
  • P278D Ford Contour
  • P278D Ford Crown Victoria
  • P278D Ford EcoSport
  • P278D Ford Econoline
  • P278D Ford Edge
  • P278D Ford Escape
  • P278D Ford Escape Hybrid
  • P278D Ford Escort
  • P278D Ford Everest
  • P278D Ford Excursion
  • P278D Ford Expedition
  • P278D Ford Explorer
  • P278D Ford Explorer Sport Trac
  • P278D Ford F-150
  • P278D Ford F-250
  • P278D Ford F-350
  • P278D Ford Fiesta
  • P278D Ford Flex
  • P278D Ford Focus
  • P278D Ford Focus Electric
  • P278D Ford Freestar
  • P278D Ford Freestyle
  • P278D Ford Fusion
  • P278D Ford Fusion Energi
  • P278D Ford Fusion Hybrid
  • P278D Ford Fusion Plug-In Hybrid
  • P278D Ford GT
  • P278D Ford Mustang
  • P278D Ford Mustang Mach-E
  • P278D Ford Mystique
  • P278D Ford Probe
  • P278D Ford Ranger
  • P278D Ford Taurus
  • P278D Ford Taurus X
  • P278D Ford Tempo
  • P278D Ford Thunderbird
  • P278D Ford Transit
  • P278D Ford Transit Connect
  • P278D 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.