P3950

P3950 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3950 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford P3950 Fault Code Meaning :

Ford P3950 Symptoms :

Ford P3950 Reasons :

How To Fix Ford P3950 Trouble Code ?

Which Ford cars have the code P3950?

  • P3950 Ford Aerostar
  • P3950 Ford Bronco
  • P3950 Ford C-Max
  • P3950 Ford C-Max Energi
  • P3950 Ford C-Max Hybrid
  • P3950 Ford Contour
  • P3950 Ford Crown Victoria
  • P3950 Ford EcoSport
  • P3950 Ford Econoline
  • P3950 Ford Edge
  • P3950 Ford Escape
  • P3950 Ford Escape Hybrid
  • P3950 Ford Escort
  • P3950 Ford Everest
  • P3950 Ford Excursion
  • P3950 Ford Expedition
  • P3950 Ford Explorer
  • P3950 Ford Explorer Sport Trac
  • P3950 Ford F-150
  • P3950 Ford F-250
  • P3950 Ford F-350
  • P3950 Ford Fiesta
  • P3950 Ford Flex
  • P3950 Ford Focus
  • P3950 Ford Focus Electric
  • P3950 Ford Freestar
  • P3950 Ford Freestyle
  • P3950 Ford Fusion
  • P3950 Ford Fusion Energi
  • P3950 Ford Fusion Hybrid
  • P3950 Ford Fusion Plug-In Hybrid
  • P3950 Ford GT
  • P3950 Ford Mustang
  • P3950 Ford Mustang Mach-E
  • P3950 Ford Mystique
  • P3950 Ford Probe
  • P3950 Ford Ranger
  • P3950 Ford Taurus
  • P3950 Ford Taurus X
  • P3950 Ford Tempo
  • P3950 Ford Thunderbird
  • P3950 Ford Transit
  • P3950 Ford Transit Connect
  • P3950 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.