P90E4

P90E4 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P90E4 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.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford P90E4 Fault Code Meaning :

Ford P90E4 Symptoms :

Ford P90E4 Reasons :

How To Fix Ford P90E4 Trouble Code ?

Which Ford cars have the code P90E4?

  • P90E4 Ford Aerostar
  • P90E4 Ford Bronco
  • P90E4 Ford C-Max
  • P90E4 Ford C-Max Energi
  • P90E4 Ford C-Max Hybrid
  • P90E4 Ford Contour
  • P90E4 Ford Crown Victoria
  • P90E4 Ford EcoSport
  • P90E4 Ford Econoline
  • P90E4 Ford Edge
  • P90E4 Ford Escape
  • P90E4 Ford Escape Hybrid
  • P90E4 Ford Escort
  • P90E4 Ford Everest
  • P90E4 Ford Excursion
  • P90E4 Ford Expedition
  • P90E4 Ford Explorer
  • P90E4 Ford Explorer Sport Trac
  • P90E4 Ford F-150
  • P90E4 Ford F-250
  • P90E4 Ford F-350
  • P90E4 Ford Fiesta
  • P90E4 Ford Flex
  • P90E4 Ford Focus
  • P90E4 Ford Focus Electric
  • P90E4 Ford Freestar
  • P90E4 Ford Freestyle
  • P90E4 Ford Fusion
  • P90E4 Ford Fusion Energi
  • P90E4 Ford Fusion Hybrid
  • P90E4 Ford Fusion Plug-In Hybrid
  • P90E4 Ford GT
  • P90E4 Ford Mustang
  • P90E4 Ford Mustang Mach-E
  • P90E4 Ford Mystique
  • P90E4 Ford Probe
  • P90E4 Ford Ranger
  • P90E4 Ford Taurus
  • P90E4 Ford Taurus X
  • P90E4 Ford Tempo
  • P90E4 Ford Thunderbird
  • P90E4 Ford Transit
  • P90E4 Ford Transit Connect
  • P90E4 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.