P5F91

P5F91 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P5F91 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 P5F91 Fault Code Meaning :

Ford P5F91 Symptoms :

Ford P5F91 Reasons :

How To Fix Ford P5F91 Trouble Code ?

Which Ford cars have the code P5F91?

  • P5F91 Ford Aerostar
  • P5F91 Ford Bronco
  • P5F91 Ford C-Max
  • P5F91 Ford C-Max Energi
  • P5F91 Ford C-Max Hybrid
  • P5F91 Ford Contour
  • P5F91 Ford Crown Victoria
  • P5F91 Ford EcoSport
  • P5F91 Ford Econoline
  • P5F91 Ford Edge
  • P5F91 Ford Escape
  • P5F91 Ford Escape Hybrid
  • P5F91 Ford Escort
  • P5F91 Ford Everest
  • P5F91 Ford Excursion
  • P5F91 Ford Expedition
  • P5F91 Ford Explorer
  • P5F91 Ford Explorer Sport Trac
  • P5F91 Ford F-150
  • P5F91 Ford F-250
  • P5F91 Ford F-350
  • P5F91 Ford Fiesta
  • P5F91 Ford Flex
  • P5F91 Ford Focus
  • P5F91 Ford Focus Electric
  • P5F91 Ford Freestar
  • P5F91 Ford Freestyle
  • P5F91 Ford Fusion
  • P5F91 Ford Fusion Energi
  • P5F91 Ford Fusion Hybrid
  • P5F91 Ford Fusion Plug-In Hybrid
  • P5F91 Ford GT
  • P5F91 Ford Mustang
  • P5F91 Ford Mustang Mach-E
  • P5F91 Ford Mystique
  • P5F91 Ford Probe
  • P5F91 Ford Ranger
  • P5F91 Ford Taurus
  • P5F91 Ford Taurus X
  • P5F91 Ford Tempo
  • P5F91 Ford Thunderbird
  • P5F91 Ford Transit
  • P5F91 Ford Transit Connect
  • P5F91 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.