P78F3

P78F3 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P78F3 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford P78F3 Fault Code Meaning :

Ford P78F3 Symptoms :

Ford P78F3 Reasons :

How To Fix Ford P78F3 Trouble Code ?

Which Ford cars have the code P78F3?

  • P78F3 Ford Aerostar
  • P78F3 Ford Bronco
  • P78F3 Ford C-Max
  • P78F3 Ford C-Max Energi
  • P78F3 Ford C-Max Hybrid
  • P78F3 Ford Contour
  • P78F3 Ford Crown Victoria
  • P78F3 Ford EcoSport
  • P78F3 Ford Econoline
  • P78F3 Ford Edge
  • P78F3 Ford Escape
  • P78F3 Ford Escape Hybrid
  • P78F3 Ford Escort
  • P78F3 Ford Everest
  • P78F3 Ford Excursion
  • P78F3 Ford Expedition
  • P78F3 Ford Explorer
  • P78F3 Ford Explorer Sport Trac
  • P78F3 Ford F-150
  • P78F3 Ford F-250
  • P78F3 Ford F-350
  • P78F3 Ford Fiesta
  • P78F3 Ford Flex
  • P78F3 Ford Focus
  • P78F3 Ford Focus Electric
  • P78F3 Ford Freestar
  • P78F3 Ford Freestyle
  • P78F3 Ford Fusion
  • P78F3 Ford Fusion Energi
  • P78F3 Ford Fusion Hybrid
  • P78F3 Ford Fusion Plug-In Hybrid
  • P78F3 Ford GT
  • P78F3 Ford Mustang
  • P78F3 Ford Mustang Mach-E
  • P78F3 Ford Mystique
  • P78F3 Ford Probe
  • P78F3 Ford Ranger
  • P78F3 Ford Taurus
  • P78F3 Ford Taurus X
  • P78F3 Ford Tempo
  • P78F3 Ford Thunderbird
  • P78F3 Ford Transit
  • P78F3 Ford Transit Connect
  • P78F3 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.