P4A90

P4A90 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P4A90 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 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 FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P4A90 Fault Code Meaning :

Ford P4A90 Symptoms :

Ford P4A90 Reasons :

How To Fix Ford P4A90 Trouble Code ?

Which Ford cars have the code P4A90?

  • P4A90 Ford Aerostar
  • P4A90 Ford Bronco
  • P4A90 Ford C-Max
  • P4A90 Ford C-Max Energi
  • P4A90 Ford C-Max Hybrid
  • P4A90 Ford Contour
  • P4A90 Ford Crown Victoria
  • P4A90 Ford EcoSport
  • P4A90 Ford Econoline
  • P4A90 Ford Edge
  • P4A90 Ford Escape
  • P4A90 Ford Escape Hybrid
  • P4A90 Ford Escort
  • P4A90 Ford Everest
  • P4A90 Ford Excursion
  • P4A90 Ford Expedition
  • P4A90 Ford Explorer
  • P4A90 Ford Explorer Sport Trac
  • P4A90 Ford F-150
  • P4A90 Ford F-250
  • P4A90 Ford F-350
  • P4A90 Ford Fiesta
  • P4A90 Ford Flex
  • P4A90 Ford Focus
  • P4A90 Ford Focus Electric
  • P4A90 Ford Freestar
  • P4A90 Ford Freestyle
  • P4A90 Ford Fusion
  • P4A90 Ford Fusion Energi
  • P4A90 Ford Fusion Hybrid
  • P4A90 Ford Fusion Plug-In Hybrid
  • P4A90 Ford GT
  • P4A90 Ford Mustang
  • P4A90 Ford Mustang Mach-E
  • P4A90 Ford Mystique
  • P4A90 Ford Probe
  • P4A90 Ford Ranger
  • P4A90 Ford Taurus
  • P4A90 Ford Taurus X
  • P4A90 Ford Tempo
  • P4A90 Ford Thunderbird
  • P4A90 Ford Transit
  • P4A90 Ford Transit Connect
  • P4A90 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.