P78A2

P78A2 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P78A2 Diagnosis

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

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford P78A2 Fault Code Meaning :

Ford P78A2 Symptoms :

Ford P78A2 Reasons :

How To Fix Ford P78A2 Trouble Code ?

Which Ford cars have the code P78A2?

  • P78A2 Ford Aerostar
  • P78A2 Ford Bronco
  • P78A2 Ford C-Max
  • P78A2 Ford C-Max Energi
  • P78A2 Ford C-Max Hybrid
  • P78A2 Ford Contour
  • P78A2 Ford Crown Victoria
  • P78A2 Ford EcoSport
  • P78A2 Ford Econoline
  • P78A2 Ford Edge
  • P78A2 Ford Escape
  • P78A2 Ford Escape Hybrid
  • P78A2 Ford Escort
  • P78A2 Ford Everest
  • P78A2 Ford Excursion
  • P78A2 Ford Expedition
  • P78A2 Ford Explorer
  • P78A2 Ford Explorer Sport Trac
  • P78A2 Ford F-150
  • P78A2 Ford F-250
  • P78A2 Ford F-350
  • P78A2 Ford Fiesta
  • P78A2 Ford Flex
  • P78A2 Ford Focus
  • P78A2 Ford Focus Electric
  • P78A2 Ford Freestar
  • P78A2 Ford Freestyle
  • P78A2 Ford Fusion
  • P78A2 Ford Fusion Energi
  • P78A2 Ford Fusion Hybrid
  • P78A2 Ford Fusion Plug-In Hybrid
  • P78A2 Ford GT
  • P78A2 Ford Mustang
  • P78A2 Ford Mustang Mach-E
  • P78A2 Ford Mystique
  • P78A2 Ford Probe
  • P78A2 Ford Ranger
  • P78A2 Ford Taurus
  • P78A2 Ford Taurus X
  • P78A2 Ford Tempo
  • P78A2 Ford Thunderbird
  • P78A2 Ford Transit
  • P78A2 Ford Transit Connect
  • P78A2 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.