C3951

C3951 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3951 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 C3951 Fault Code Meaning :

Ford C3951 Symptoms :

Ford C3951 Reasons :

How To Fix Ford C3951 Trouble Code ?

Which Ford cars have the code C3951?

  • C3951 Ford Aerostar
  • C3951 Ford Bronco
  • C3951 Ford C-Max
  • C3951 Ford C-Max Energi
  • C3951 Ford C-Max Hybrid
  • C3951 Ford Contour
  • C3951 Ford Crown Victoria
  • C3951 Ford EcoSport
  • C3951 Ford Econoline
  • C3951 Ford Edge
  • C3951 Ford Escape
  • C3951 Ford Escape Hybrid
  • C3951 Ford Escort
  • C3951 Ford Everest
  • C3951 Ford Excursion
  • C3951 Ford Expedition
  • C3951 Ford Explorer
  • C3951 Ford Explorer Sport Trac
  • C3951 Ford F-150
  • C3951 Ford F-250
  • C3951 Ford F-350
  • C3951 Ford Fiesta
  • C3951 Ford Flex
  • C3951 Ford Focus
  • C3951 Ford Focus Electric
  • C3951 Ford Freestar
  • C3951 Ford Freestyle
  • C3951 Ford Fusion
  • C3951 Ford Fusion Energi
  • C3951 Ford Fusion Hybrid
  • C3951 Ford Fusion Plug-In Hybrid
  • C3951 Ford GT
  • C3951 Ford Mustang
  • C3951 Ford Mustang Mach-E
  • C3951 Ford Mystique
  • C3951 Ford Probe
  • C3951 Ford Ranger
  • C3951 Ford Taurus
  • C3951 Ford Taurus X
  • C3951 Ford Tempo
  • C3951 Ford Thunderbird
  • C3951 Ford Transit
  • C3951 Ford Transit Connect
  • C3951 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.