P6A78

P6A78 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P6A78 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 P6A78 Fault Code Meaning :

Ford P6A78 Symptoms :

Ford P6A78 Reasons :

How To Fix Ford P6A78 Trouble Code ?

Which Ford cars have the code P6A78?

  • P6A78 Ford Aerostar
  • P6A78 Ford Bronco
  • P6A78 Ford C-Max
  • P6A78 Ford C-Max Energi
  • P6A78 Ford C-Max Hybrid
  • P6A78 Ford Contour
  • P6A78 Ford Crown Victoria
  • P6A78 Ford EcoSport
  • P6A78 Ford Econoline
  • P6A78 Ford Edge
  • P6A78 Ford Escape
  • P6A78 Ford Escape Hybrid
  • P6A78 Ford Escort
  • P6A78 Ford Everest
  • P6A78 Ford Excursion
  • P6A78 Ford Expedition
  • P6A78 Ford Explorer
  • P6A78 Ford Explorer Sport Trac
  • P6A78 Ford F-150
  • P6A78 Ford F-250
  • P6A78 Ford F-350
  • P6A78 Ford Fiesta
  • P6A78 Ford Flex
  • P6A78 Ford Focus
  • P6A78 Ford Focus Electric
  • P6A78 Ford Freestar
  • P6A78 Ford Freestyle
  • P6A78 Ford Fusion
  • P6A78 Ford Fusion Energi
  • P6A78 Ford Fusion Hybrid
  • P6A78 Ford Fusion Plug-In Hybrid
  • P6A78 Ford GT
  • P6A78 Ford Mustang
  • P6A78 Ford Mustang Mach-E
  • P6A78 Ford Mystique
  • P6A78 Ford Probe
  • P6A78 Ford Ranger
  • P6A78 Ford Taurus
  • P6A78 Ford Taurus X
  • P6A78 Ford Tempo
  • P6A78 Ford Thunderbird
  • P6A78 Ford Transit
  • P6A78 Ford Transit Connect
  • P6A78 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.