P8A78

P8A78 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P8A78 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.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 OFF.

The top-of-clutch switch and bottom-of-clutch switch are both measured as closed at the same time. Troubleshoot for clutch switch shorted, or for a wiring fault between the clutch switch and the BHM.

Ford P8A78 Fault Code Meaning :

Ford P8A78 Symptoms :

Ford P8A78 Reasons :

How To Fix Ford P8A78 Trouble Code ?

Which Ford cars have the code P8A78?

  • P8A78 Ford Aerostar
  • P8A78 Ford Bronco
  • P8A78 Ford C-Max
  • P8A78 Ford C-Max Energi
  • P8A78 Ford C-Max Hybrid
  • P8A78 Ford Contour
  • P8A78 Ford Crown Victoria
  • P8A78 Ford EcoSport
  • P8A78 Ford Econoline
  • P8A78 Ford Edge
  • P8A78 Ford Escape
  • P8A78 Ford Escape Hybrid
  • P8A78 Ford Escort
  • P8A78 Ford Everest
  • P8A78 Ford Excursion
  • P8A78 Ford Expedition
  • P8A78 Ford Explorer
  • P8A78 Ford Explorer Sport Trac
  • P8A78 Ford F-150
  • P8A78 Ford F-250
  • P8A78 Ford F-350
  • P8A78 Ford Fiesta
  • P8A78 Ford Flex
  • P8A78 Ford Focus
  • P8A78 Ford Focus Electric
  • P8A78 Ford Freestar
  • P8A78 Ford Freestyle
  • P8A78 Ford Fusion
  • P8A78 Ford Fusion Energi
  • P8A78 Ford Fusion Hybrid
  • P8A78 Ford Fusion Plug-In Hybrid
  • P8A78 Ford GT
  • P8A78 Ford Mustang
  • P8A78 Ford Mustang Mach-E
  • P8A78 Ford Mystique
  • P8A78 Ford Probe
  • P8A78 Ford Ranger
  • P8A78 Ford Taurus
  • P8A78 Ford Taurus X
  • P8A78 Ford Tempo
  • P8A78 Ford Thunderbird
  • P8A78 Ford Transit
  • P8A78 Ford Transit Connect
  • P8A78 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.