P39A5

P39A5 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P39A5 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.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P39A5 Fault Code Meaning :

Ford P39A5 Symptoms :

Ford P39A5 Reasons :

How To Fix Ford P39A5 Trouble Code ?

Which Ford cars have the code P39A5?

  • P39A5 Ford Aerostar
  • P39A5 Ford Bronco
  • P39A5 Ford C-Max
  • P39A5 Ford C-Max Energi
  • P39A5 Ford C-Max Hybrid
  • P39A5 Ford Contour
  • P39A5 Ford Crown Victoria
  • P39A5 Ford EcoSport
  • P39A5 Ford Econoline
  • P39A5 Ford Edge
  • P39A5 Ford Escape
  • P39A5 Ford Escape Hybrid
  • P39A5 Ford Escort
  • P39A5 Ford Everest
  • P39A5 Ford Excursion
  • P39A5 Ford Expedition
  • P39A5 Ford Explorer
  • P39A5 Ford Explorer Sport Trac
  • P39A5 Ford F-150
  • P39A5 Ford F-250
  • P39A5 Ford F-350
  • P39A5 Ford Fiesta
  • P39A5 Ford Flex
  • P39A5 Ford Focus
  • P39A5 Ford Focus Electric
  • P39A5 Ford Freestar
  • P39A5 Ford Freestyle
  • P39A5 Ford Fusion
  • P39A5 Ford Fusion Energi
  • P39A5 Ford Fusion Hybrid
  • P39A5 Ford Fusion Plug-In Hybrid
  • P39A5 Ford GT
  • P39A5 Ford Mustang
  • P39A5 Ford Mustang Mach-E
  • P39A5 Ford Mystique
  • P39A5 Ford Probe
  • P39A5 Ford Ranger
  • P39A5 Ford Taurus
  • P39A5 Ford Taurus X
  • P39A5 Ford Tempo
  • P39A5 Ford Thunderbird
  • P39A5 Ford Transit
  • P39A5 Ford Transit Connect
  • P39A5 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.