P8F78

P8F78 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P8F78 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 P8F78 Fault Code Meaning :

Ford P8F78 Symptoms :

Ford P8F78 Reasons :

How To Fix Ford P8F78 Trouble Code ?

Which Ford cars have the code P8F78?

  • P8F78 Ford Aerostar
  • P8F78 Ford Bronco
  • P8F78 Ford C-Max
  • P8F78 Ford C-Max Energi
  • P8F78 Ford C-Max Hybrid
  • P8F78 Ford Contour
  • P8F78 Ford Crown Victoria
  • P8F78 Ford EcoSport
  • P8F78 Ford Econoline
  • P8F78 Ford Edge
  • P8F78 Ford Escape
  • P8F78 Ford Escape Hybrid
  • P8F78 Ford Escort
  • P8F78 Ford Everest
  • P8F78 Ford Excursion
  • P8F78 Ford Expedition
  • P8F78 Ford Explorer
  • P8F78 Ford Explorer Sport Trac
  • P8F78 Ford F-150
  • P8F78 Ford F-250
  • P8F78 Ford F-350
  • P8F78 Ford Fiesta
  • P8F78 Ford Flex
  • P8F78 Ford Focus
  • P8F78 Ford Focus Electric
  • P8F78 Ford Freestar
  • P8F78 Ford Freestyle
  • P8F78 Ford Fusion
  • P8F78 Ford Fusion Energi
  • P8F78 Ford Fusion Hybrid
  • P8F78 Ford Fusion Plug-In Hybrid
  • P8F78 Ford GT
  • P8F78 Ford Mustang
  • P8F78 Ford Mustang Mach-E
  • P8F78 Ford Mystique
  • P8F78 Ford Probe
  • P8F78 Ford Ranger
  • P8F78 Ford Taurus
  • P8F78 Ford Taurus X
  • P8F78 Ford Tempo
  • P8F78 Ford Thunderbird
  • P8F78 Ford Transit
  • P8F78 Ford Transit Connect
  • P8F78 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.