P78E3

P78E3 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P78E3 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.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford P78E3 Fault Code Meaning :

Ford P78E3 Symptoms :

Ford P78E3 Reasons :

How To Fix Ford P78E3 Trouble Code ?

Which Ford cars have the code P78E3?

  • P78E3 Ford Aerostar
  • P78E3 Ford Bronco
  • P78E3 Ford C-Max
  • P78E3 Ford C-Max Energi
  • P78E3 Ford C-Max Hybrid
  • P78E3 Ford Contour
  • P78E3 Ford Crown Victoria
  • P78E3 Ford EcoSport
  • P78E3 Ford Econoline
  • P78E3 Ford Edge
  • P78E3 Ford Escape
  • P78E3 Ford Escape Hybrid
  • P78E3 Ford Escort
  • P78E3 Ford Everest
  • P78E3 Ford Excursion
  • P78E3 Ford Expedition
  • P78E3 Ford Explorer
  • P78E3 Ford Explorer Sport Trac
  • P78E3 Ford F-150
  • P78E3 Ford F-250
  • P78E3 Ford F-350
  • P78E3 Ford Fiesta
  • P78E3 Ford Flex
  • P78E3 Ford Focus
  • P78E3 Ford Focus Electric
  • P78E3 Ford Freestar
  • P78E3 Ford Freestyle
  • P78E3 Ford Fusion
  • P78E3 Ford Fusion Energi
  • P78E3 Ford Fusion Hybrid
  • P78E3 Ford Fusion Plug-In Hybrid
  • P78E3 Ford GT
  • P78E3 Ford Mustang
  • P78E3 Ford Mustang Mach-E
  • P78E3 Ford Mystique
  • P78E3 Ford Probe
  • P78E3 Ford Ranger
  • P78E3 Ford Taurus
  • P78E3 Ford Taurus X
  • P78E3 Ford Tempo
  • P78E3 Ford Thunderbird
  • P78E3 Ford Transit
  • P78E3 Ford Transit Connect
  • P78E3 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.