P3956

P3956 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3956 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 P3956 Fault Code Meaning :

Ford P3956 Symptoms :

Ford P3956 Reasons :

How To Fix Ford P3956 Trouble Code ?

Which Ford cars have the code P3956?

  • P3956 Ford Aerostar
  • P3956 Ford Bronco
  • P3956 Ford C-Max
  • P3956 Ford C-Max Energi
  • P3956 Ford C-Max Hybrid
  • P3956 Ford Contour
  • P3956 Ford Crown Victoria
  • P3956 Ford EcoSport
  • P3956 Ford Econoline
  • P3956 Ford Edge
  • P3956 Ford Escape
  • P3956 Ford Escape Hybrid
  • P3956 Ford Escort
  • P3956 Ford Everest
  • P3956 Ford Excursion
  • P3956 Ford Expedition
  • P3956 Ford Explorer
  • P3956 Ford Explorer Sport Trac
  • P3956 Ford F-150
  • P3956 Ford F-250
  • P3956 Ford F-350
  • P3956 Ford Fiesta
  • P3956 Ford Flex
  • P3956 Ford Focus
  • P3956 Ford Focus Electric
  • P3956 Ford Freestar
  • P3956 Ford Freestyle
  • P3956 Ford Fusion
  • P3956 Ford Fusion Energi
  • P3956 Ford Fusion Hybrid
  • P3956 Ford Fusion Plug-In Hybrid
  • P3956 Ford GT
  • P3956 Ford Mustang
  • P3956 Ford Mustang Mach-E
  • P3956 Ford Mystique
  • P3956 Ford Probe
  • P3956 Ford Ranger
  • P3956 Ford Taurus
  • P3956 Ford Taurus X
  • P3956 Ford Tempo
  • P3956 Ford Thunderbird
  • P3956 Ford Transit
  • P3956 Ford Transit Connect
  • P3956 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.