P0678

P0678 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P0678 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 supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P0678 Fault Code Meaning :

Ford P0678 Symptoms :

Ford P0678 Reasons :

How To Fix Ford P0678 Trouble Code ?

Which Ford cars have the code P0678?

  • P0678 Ford Aerostar
  • P0678 Ford Bronco
  • P0678 Ford C-Max
  • P0678 Ford C-Max Energi
  • P0678 Ford C-Max Hybrid
  • P0678 Ford Contour
  • P0678 Ford Crown Victoria
  • P0678 Ford EcoSport
  • P0678 Ford Econoline
  • P0678 Ford Edge
  • P0678 Ford Escape
  • P0678 Ford Escape Hybrid
  • P0678 Ford Escort
  • P0678 Ford Everest
  • P0678 Ford Excursion
  • P0678 Ford Expedition
  • P0678 Ford Explorer
  • P0678 Ford Explorer Sport Trac
  • P0678 Ford F-150
  • P0678 Ford F-250
  • P0678 Ford F-350
  • P0678 Ford Fiesta
  • P0678 Ford Flex
  • P0678 Ford Focus
  • P0678 Ford Focus Electric
  • P0678 Ford Freestar
  • P0678 Ford Freestyle
  • P0678 Ford Fusion
  • P0678 Ford Fusion Energi
  • P0678 Ford Fusion Hybrid
  • P0678 Ford Fusion Plug-In Hybrid
  • P0678 Ford GT
  • P0678 Ford Mustang
  • P0678 Ford Mustang Mach-E
  • P0678 Ford Mystique
  • P0678 Ford Probe
  • P0678 Ford Ranger
  • P0678 Ford Taurus
  • P0678 Ford Taurus X
  • P0678 Ford Tempo
  • P0678 Ford Thunderbird
  • P0678 Ford Transit
  • P0678 Ford Transit Connect
  • P0678 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.