P78C1

P78C1 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P78C1 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P78C1 Fault Code Meaning :

Ford P78C1 Symptoms :

Ford P78C1 Reasons :

How To Fix Ford P78C1 Trouble Code ?

Which Ford cars have the code P78C1?

  • P78C1 Ford Aerostar
  • P78C1 Ford Bronco
  • P78C1 Ford C-Max
  • P78C1 Ford C-Max Energi
  • P78C1 Ford C-Max Hybrid
  • P78C1 Ford Contour
  • P78C1 Ford Crown Victoria
  • P78C1 Ford EcoSport
  • P78C1 Ford Econoline
  • P78C1 Ford Edge
  • P78C1 Ford Escape
  • P78C1 Ford Escape Hybrid
  • P78C1 Ford Escort
  • P78C1 Ford Everest
  • P78C1 Ford Excursion
  • P78C1 Ford Expedition
  • P78C1 Ford Explorer
  • P78C1 Ford Explorer Sport Trac
  • P78C1 Ford F-150
  • P78C1 Ford F-250
  • P78C1 Ford F-350
  • P78C1 Ford Fiesta
  • P78C1 Ford Flex
  • P78C1 Ford Focus
  • P78C1 Ford Focus Electric
  • P78C1 Ford Freestar
  • P78C1 Ford Freestyle
  • P78C1 Ford Fusion
  • P78C1 Ford Fusion Energi
  • P78C1 Ford Fusion Hybrid
  • P78C1 Ford Fusion Plug-In Hybrid
  • P78C1 Ford GT
  • P78C1 Ford Mustang
  • P78C1 Ford Mustang Mach-E
  • P78C1 Ford Mystique
  • P78C1 Ford Probe
  • P78C1 Ford Ranger
  • P78C1 Ford Taurus
  • P78C1 Ford Taurus X
  • P78C1 Ford Tempo
  • P78C1 Ford Thunderbird
  • P78C1 Ford Transit
  • P78C1 Ford Transit Connect
  • P78C1 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.