P1E78

P1E78 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1E78 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.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 P1E78 Fault Code Meaning :

Ford P1E78 Symptoms :

Ford P1E78 Reasons :

How To Fix Ford P1E78 Trouble Code ?

Which Ford cars have the code P1E78?

  • P1E78 Ford Aerostar
  • P1E78 Ford Bronco
  • P1E78 Ford C-Max
  • P1E78 Ford C-Max Energi
  • P1E78 Ford C-Max Hybrid
  • P1E78 Ford Contour
  • P1E78 Ford Crown Victoria
  • P1E78 Ford EcoSport
  • P1E78 Ford Econoline
  • P1E78 Ford Edge
  • P1E78 Ford Escape
  • P1E78 Ford Escape Hybrid
  • P1E78 Ford Escort
  • P1E78 Ford Everest
  • P1E78 Ford Excursion
  • P1E78 Ford Expedition
  • P1E78 Ford Explorer
  • P1E78 Ford Explorer Sport Trac
  • P1E78 Ford F-150
  • P1E78 Ford F-250
  • P1E78 Ford F-350
  • P1E78 Ford Fiesta
  • P1E78 Ford Flex
  • P1E78 Ford Focus
  • P1E78 Ford Focus Electric
  • P1E78 Ford Freestar
  • P1E78 Ford Freestyle
  • P1E78 Ford Fusion
  • P1E78 Ford Fusion Energi
  • P1E78 Ford Fusion Hybrid
  • P1E78 Ford Fusion Plug-In Hybrid
  • P1E78 Ford GT
  • P1E78 Ford Mustang
  • P1E78 Ford Mustang Mach-E
  • P1E78 Ford Mystique
  • P1E78 Ford Probe
  • P1E78 Ford Ranger
  • P1E78 Ford Taurus
  • P1E78 Ford Taurus X
  • P1E78 Ford Tempo
  • P1E78 Ford Thunderbird
  • P1E78 Ford Transit
  • P1E78 Ford Transit Connect
  • P1E78 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.