P3948

P3948 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3948 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open 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 P3948 Fault Code Meaning :

Ford P3948 Symptoms :

Ford P3948 Reasons :

How To Fix Ford P3948 Trouble Code ?

Which Ford cars have the code P3948?

  • P3948 Ford Aerostar
  • P3948 Ford Bronco
  • P3948 Ford C-Max
  • P3948 Ford C-Max Energi
  • P3948 Ford C-Max Hybrid
  • P3948 Ford Contour
  • P3948 Ford Crown Victoria
  • P3948 Ford EcoSport
  • P3948 Ford Econoline
  • P3948 Ford Edge
  • P3948 Ford Escape
  • P3948 Ford Escape Hybrid
  • P3948 Ford Escort
  • P3948 Ford Everest
  • P3948 Ford Excursion
  • P3948 Ford Expedition
  • P3948 Ford Explorer
  • P3948 Ford Explorer Sport Trac
  • P3948 Ford F-150
  • P3948 Ford F-250
  • P3948 Ford F-350
  • P3948 Ford Fiesta
  • P3948 Ford Flex
  • P3948 Ford Focus
  • P3948 Ford Focus Electric
  • P3948 Ford Freestar
  • P3948 Ford Freestyle
  • P3948 Ford Fusion
  • P3948 Ford Fusion Energi
  • P3948 Ford Fusion Hybrid
  • P3948 Ford Fusion Plug-In Hybrid
  • P3948 Ford GT
  • P3948 Ford Mustang
  • P3948 Ford Mustang Mach-E
  • P3948 Ford Mystique
  • P3948 Ford Probe
  • P3948 Ford Ranger
  • P3948 Ford Taurus
  • P3948 Ford Taurus X
  • P3948 Ford Tempo
  • P3948 Ford Thunderbird
  • P3948 Ford Transit
  • P3948 Ford Transit Connect
  • P3948 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.