P3811

P3811 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3811 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 P3811 Fault Code Meaning :

Ford P3811 Symptoms :

Ford P3811 Reasons :

How To Fix Ford P3811 Trouble Code ?

Which Ford cars have the code P3811?

  • P3811 Ford Aerostar
  • P3811 Ford Bronco
  • P3811 Ford C-Max
  • P3811 Ford C-Max Energi
  • P3811 Ford C-Max Hybrid
  • P3811 Ford Contour
  • P3811 Ford Crown Victoria
  • P3811 Ford EcoSport
  • P3811 Ford Econoline
  • P3811 Ford Edge
  • P3811 Ford Escape
  • P3811 Ford Escape Hybrid
  • P3811 Ford Escort
  • P3811 Ford Everest
  • P3811 Ford Excursion
  • P3811 Ford Expedition
  • P3811 Ford Explorer
  • P3811 Ford Explorer Sport Trac
  • P3811 Ford F-150
  • P3811 Ford F-250
  • P3811 Ford F-350
  • P3811 Ford Fiesta
  • P3811 Ford Flex
  • P3811 Ford Focus
  • P3811 Ford Focus Electric
  • P3811 Ford Freestar
  • P3811 Ford Freestyle
  • P3811 Ford Fusion
  • P3811 Ford Fusion Energi
  • P3811 Ford Fusion Hybrid
  • P3811 Ford Fusion Plug-In Hybrid
  • P3811 Ford GT
  • P3811 Ford Mustang
  • P3811 Ford Mustang Mach-E
  • P3811 Ford Mystique
  • P3811 Ford Probe
  • P3811 Ford Ranger
  • P3811 Ford Taurus
  • P3811 Ford Taurus X
  • P3811 Ford Tempo
  • P3811 Ford Thunderbird
  • P3811 Ford Transit
  • P3811 Ford Transit Connect
  • P3811 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.