P3951

P3951 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3951 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.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 P3951 Fault Code Meaning :

Ford P3951 Symptoms :

Ford P3951 Reasons :

How To Fix Ford P3951 Trouble Code ?

Which Ford cars have the code P3951?

  • P3951 Ford Aerostar
  • P3951 Ford Bronco
  • P3951 Ford C-Max
  • P3951 Ford C-Max Energi
  • P3951 Ford C-Max Hybrid
  • P3951 Ford Contour
  • P3951 Ford Crown Victoria
  • P3951 Ford EcoSport
  • P3951 Ford Econoline
  • P3951 Ford Edge
  • P3951 Ford Escape
  • P3951 Ford Escape Hybrid
  • P3951 Ford Escort
  • P3951 Ford Everest
  • P3951 Ford Excursion
  • P3951 Ford Expedition
  • P3951 Ford Explorer
  • P3951 Ford Explorer Sport Trac
  • P3951 Ford F-150
  • P3951 Ford F-250
  • P3951 Ford F-350
  • P3951 Ford Fiesta
  • P3951 Ford Flex
  • P3951 Ford Focus
  • P3951 Ford Focus Electric
  • P3951 Ford Freestar
  • P3951 Ford Freestyle
  • P3951 Ford Fusion
  • P3951 Ford Fusion Energi
  • P3951 Ford Fusion Hybrid
  • P3951 Ford Fusion Plug-In Hybrid
  • P3951 Ford GT
  • P3951 Ford Mustang
  • P3951 Ford Mustang Mach-E
  • P3951 Ford Mystique
  • P3951 Ford Probe
  • P3951 Ford Ranger
  • P3951 Ford Taurus
  • P3951 Ford Taurus X
  • P3951 Ford Tempo
  • P3951 Ford Thunderbird
  • P3951 Ford Transit
  • P3951 Ford Transit Connect
  • P3951 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.