P3964

P3964 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3964 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 supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford P3964 Fault Code Meaning :

Ford P3964 Symptoms :

Ford P3964 Reasons :

How To Fix Ford P3964 Trouble Code ?

Which Ford cars have the code P3964?

  • P3964 Ford Aerostar
  • P3964 Ford Bronco
  • P3964 Ford C-Max
  • P3964 Ford C-Max Energi
  • P3964 Ford C-Max Hybrid
  • P3964 Ford Contour
  • P3964 Ford Crown Victoria
  • P3964 Ford EcoSport
  • P3964 Ford Econoline
  • P3964 Ford Edge
  • P3964 Ford Escape
  • P3964 Ford Escape Hybrid
  • P3964 Ford Escort
  • P3964 Ford Everest
  • P3964 Ford Excursion
  • P3964 Ford Expedition
  • P3964 Ford Explorer
  • P3964 Ford Explorer Sport Trac
  • P3964 Ford F-150
  • P3964 Ford F-250
  • P3964 Ford F-350
  • P3964 Ford Fiesta
  • P3964 Ford Flex
  • P3964 Ford Focus
  • P3964 Ford Focus Electric
  • P3964 Ford Freestar
  • P3964 Ford Freestyle
  • P3964 Ford Fusion
  • P3964 Ford Fusion Energi
  • P3964 Ford Fusion Hybrid
  • P3964 Ford Fusion Plug-In Hybrid
  • P3964 Ford GT
  • P3964 Ford Mustang
  • P3964 Ford Mustang Mach-E
  • P3964 Ford Mystique
  • P3964 Ford Probe
  • P3964 Ford Ranger
  • P3964 Ford Taurus
  • P3964 Ford Taurus X
  • P3964 Ford Tempo
  • P3964 Ford Thunderbird
  • P3964 Ford Transit
  • P3964 Ford Transit Connect
  • P3964 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.