P503B

P503B Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P503B 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.

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

Ford P503B Fault Code Meaning :

Ford P503B Symptoms :

Ford P503B Reasons :

How To Fix Ford P503B Trouble Code ?

Which Ford cars have the code P503B?

  • P503B Ford Aerostar
  • P503B Ford Bronco
  • P503B Ford C-Max
  • P503B Ford C-Max Energi
  • P503B Ford C-Max Hybrid
  • P503B Ford Contour
  • P503B Ford Crown Victoria
  • P503B Ford EcoSport
  • P503B Ford Econoline
  • P503B Ford Edge
  • P503B Ford Escape
  • P503B Ford Escape Hybrid
  • P503B Ford Escort
  • P503B Ford Everest
  • P503B Ford Excursion
  • P503B Ford Expedition
  • P503B Ford Explorer
  • P503B Ford Explorer Sport Trac
  • P503B Ford F-150
  • P503B Ford F-250
  • P503B Ford F-350
  • P503B Ford Fiesta
  • P503B Ford Flex
  • P503B Ford Focus
  • P503B Ford Focus Electric
  • P503B Ford Freestar
  • P503B Ford Freestyle
  • P503B Ford Fusion
  • P503B Ford Fusion Energi
  • P503B Ford Fusion Hybrid
  • P503B Ford Fusion Plug-In Hybrid
  • P503B Ford GT
  • P503B Ford Mustang
  • P503B Ford Mustang Mach-E
  • P503B Ford Mystique
  • P503B Ford Probe
  • P503B Ford Ranger
  • P503B Ford Taurus
  • P503B Ford Taurus X
  • P503B Ford Tempo
  • P503B Ford Thunderbird
  • P503B Ford Transit
  • P503B Ford Transit Connect
  • P503B 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.