P678E

P678E Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P678E Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 P678E Fault Code Meaning :

Ford P678E Symptoms :

Ford P678E Reasons :

How To Fix Ford P678E Trouble Code ?

Which Ford cars have the code P678E?

  • P678E Ford Aerostar
  • P678E Ford Bronco
  • P678E Ford C-Max
  • P678E Ford C-Max Energi
  • P678E Ford C-Max Hybrid
  • P678E Ford Contour
  • P678E Ford Crown Victoria
  • P678E Ford EcoSport
  • P678E Ford Econoline
  • P678E Ford Edge
  • P678E Ford Escape
  • P678E Ford Escape Hybrid
  • P678E Ford Escort
  • P678E Ford Everest
  • P678E Ford Excursion
  • P678E Ford Expedition
  • P678E Ford Explorer
  • P678E Ford Explorer Sport Trac
  • P678E Ford F-150
  • P678E Ford F-250
  • P678E Ford F-350
  • P678E Ford Fiesta
  • P678E Ford Flex
  • P678E Ford Focus
  • P678E Ford Focus Electric
  • P678E Ford Freestar
  • P678E Ford Freestyle
  • P678E Ford Fusion
  • P678E Ford Fusion Energi
  • P678E Ford Fusion Hybrid
  • P678E Ford Fusion Plug-In Hybrid
  • P678E Ford GT
  • P678E Ford Mustang
  • P678E Ford Mustang Mach-E
  • P678E Ford Mystique
  • P678E Ford Probe
  • P678E Ford Ranger
  • P678E Ford Taurus
  • P678E Ford Taurus X
  • P678E Ford Tempo
  • P678E Ford Thunderbird
  • P678E Ford Transit
  • P678E Ford Transit Connect
  • P678E 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.