U1591

U1591 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1591 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 U1591 Fault Code Meaning :

Ford U1591 Symptoms :

Ford U1591 Reasons :

How To Fix Ford U1591 Trouble Code ?

Which Ford cars have the code U1591?

  • U1591 Ford Aerostar
  • U1591 Ford Bronco
  • U1591 Ford C-Max
  • U1591 Ford C-Max Energi
  • U1591 Ford C-Max Hybrid
  • U1591 Ford Contour
  • U1591 Ford Crown Victoria
  • U1591 Ford EcoSport
  • U1591 Ford Econoline
  • U1591 Ford Edge
  • U1591 Ford Escape
  • U1591 Ford Escape Hybrid
  • U1591 Ford Escort
  • U1591 Ford Everest
  • U1591 Ford Excursion
  • U1591 Ford Expedition
  • U1591 Ford Explorer
  • U1591 Ford Explorer Sport Trac
  • U1591 Ford F-150
  • U1591 Ford F-250
  • U1591 Ford F-350
  • U1591 Ford Fiesta
  • U1591 Ford Flex
  • U1591 Ford Focus
  • U1591 Ford Focus Electric
  • U1591 Ford Freestar
  • U1591 Ford Freestyle
  • U1591 Ford Fusion
  • U1591 Ford Fusion Energi
  • U1591 Ford Fusion Hybrid
  • U1591 Ford Fusion Plug-In Hybrid
  • U1591 Ford GT
  • U1591 Ford Mustang
  • U1591 Ford Mustang Mach-E
  • U1591 Ford Mystique
  • U1591 Ford Probe
  • U1591 Ford Ranger
  • U1591 Ford Taurus
  • U1591 Ford Taurus X
  • U1591 Ford Tempo
  • U1591 Ford Thunderbird
  • U1591 Ford Transit
  • U1591 Ford Transit Connect
  • U1591 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.