P78D1

P78D1 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P78D1 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 position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

Engine starting is disabled and other optional functions may be interrupted until the fault is corrected and the ignition switch is cycled.

Ford P78D1 Fault Code Meaning :

Ford P78D1 Symptoms :

Ford P78D1 Reasons :

How To Fix Ford P78D1 Trouble Code ?

Which Ford cars have the code P78D1?

  • P78D1 Ford Aerostar
  • P78D1 Ford Bronco
  • P78D1 Ford C-Max
  • P78D1 Ford C-Max Energi
  • P78D1 Ford C-Max Hybrid
  • P78D1 Ford Contour
  • P78D1 Ford Crown Victoria
  • P78D1 Ford EcoSport
  • P78D1 Ford Econoline
  • P78D1 Ford Edge
  • P78D1 Ford Escape
  • P78D1 Ford Escape Hybrid
  • P78D1 Ford Escort
  • P78D1 Ford Everest
  • P78D1 Ford Excursion
  • P78D1 Ford Expedition
  • P78D1 Ford Explorer
  • P78D1 Ford Explorer Sport Trac
  • P78D1 Ford F-150
  • P78D1 Ford F-250
  • P78D1 Ford F-350
  • P78D1 Ford Fiesta
  • P78D1 Ford Flex
  • P78D1 Ford Focus
  • P78D1 Ford Focus Electric
  • P78D1 Ford Freestar
  • P78D1 Ford Freestyle
  • P78D1 Ford Fusion
  • P78D1 Ford Fusion Energi
  • P78D1 Ford Fusion Hybrid
  • P78D1 Ford Fusion Plug-In Hybrid
  • P78D1 Ford GT
  • P78D1 Ford Mustang
  • P78D1 Ford Mustang Mach-E
  • P78D1 Ford Mystique
  • P78D1 Ford Probe
  • P78D1 Ford Ranger
  • P78D1 Ford Taurus
  • P78D1 Ford Taurus X
  • P78D1 Ford Tempo
  • P78D1 Ford Thunderbird
  • P78D1 Ford Transit
  • P78D1 Ford Transit Connect
  • P78D1 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.