P78A7

P78A7 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P78A7 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 P78A7 Fault Code Meaning :

Ford P78A7 Symptoms :

Ford P78A7 Reasons :

How To Fix Ford P78A7 Trouble Code ?

Which Ford cars have the code P78A7?

  • P78A7 Ford Aerostar
  • P78A7 Ford Bronco
  • P78A7 Ford C-Max
  • P78A7 Ford C-Max Energi
  • P78A7 Ford C-Max Hybrid
  • P78A7 Ford Contour
  • P78A7 Ford Crown Victoria
  • P78A7 Ford EcoSport
  • P78A7 Ford Econoline
  • P78A7 Ford Edge
  • P78A7 Ford Escape
  • P78A7 Ford Escape Hybrid
  • P78A7 Ford Escort
  • P78A7 Ford Everest
  • P78A7 Ford Excursion
  • P78A7 Ford Expedition
  • P78A7 Ford Explorer
  • P78A7 Ford Explorer Sport Trac
  • P78A7 Ford F-150
  • P78A7 Ford F-250
  • P78A7 Ford F-350
  • P78A7 Ford Fiesta
  • P78A7 Ford Flex
  • P78A7 Ford Focus
  • P78A7 Ford Focus Electric
  • P78A7 Ford Freestar
  • P78A7 Ford Freestyle
  • P78A7 Ford Fusion
  • P78A7 Ford Fusion Energi
  • P78A7 Ford Fusion Hybrid
  • P78A7 Ford Fusion Plug-In Hybrid
  • P78A7 Ford GT
  • P78A7 Ford Mustang
  • P78A7 Ford Mustang Mach-E
  • P78A7 Ford Mystique
  • P78A7 Ford Probe
  • P78A7 Ford Ranger
  • P78A7 Ford Taurus
  • P78A7 Ford Taurus X
  • P78A7 Ford Tempo
  • P78A7 Ford Thunderbird
  • P78A7 Ford Transit
  • P78A7 Ford Transit Connect
  • P78A7 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.