P4A54

P4A54 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P4A54 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 P4A54 Fault Code Meaning :

Ford P4A54 Symptoms :

Ford P4A54 Reasons :

How To Fix Ford P4A54 Trouble Code ?

Which Ford cars have the code P4A54?

  • P4A54 Ford Aerostar
  • P4A54 Ford Bronco
  • P4A54 Ford C-Max
  • P4A54 Ford C-Max Energi
  • P4A54 Ford C-Max Hybrid
  • P4A54 Ford Contour
  • P4A54 Ford Crown Victoria
  • P4A54 Ford EcoSport
  • P4A54 Ford Econoline
  • P4A54 Ford Edge
  • P4A54 Ford Escape
  • P4A54 Ford Escape Hybrid
  • P4A54 Ford Escort
  • P4A54 Ford Everest
  • P4A54 Ford Excursion
  • P4A54 Ford Expedition
  • P4A54 Ford Explorer
  • P4A54 Ford Explorer Sport Trac
  • P4A54 Ford F-150
  • P4A54 Ford F-250
  • P4A54 Ford F-350
  • P4A54 Ford Fiesta
  • P4A54 Ford Flex
  • P4A54 Ford Focus
  • P4A54 Ford Focus Electric
  • P4A54 Ford Freestar
  • P4A54 Ford Freestyle
  • P4A54 Ford Fusion
  • P4A54 Ford Fusion Energi
  • P4A54 Ford Fusion Hybrid
  • P4A54 Ford Fusion Plug-In Hybrid
  • P4A54 Ford GT
  • P4A54 Ford Mustang
  • P4A54 Ford Mustang Mach-E
  • P4A54 Ford Mystique
  • P4A54 Ford Probe
  • P4A54 Ford Ranger
  • P4A54 Ford Taurus
  • P4A54 Ford Taurus X
  • P4A54 Ford Tempo
  • P4A54 Ford Thunderbird
  • P4A54 Ford Transit
  • P4A54 Ford Transit Connect
  • P4A54 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.