C3665

C3665 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3665 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.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford C3665 Fault Code Meaning :

Ford C3665 Symptoms :

Ford C3665 Reasons :

How To Fix Ford C3665 Trouble Code ?

Which Ford cars have the code C3665?

  • C3665 Ford Aerostar
  • C3665 Ford Bronco
  • C3665 Ford C-Max
  • C3665 Ford C-Max Energi
  • C3665 Ford C-Max Hybrid
  • C3665 Ford Contour
  • C3665 Ford Crown Victoria
  • C3665 Ford EcoSport
  • C3665 Ford Econoline
  • C3665 Ford Edge
  • C3665 Ford Escape
  • C3665 Ford Escape Hybrid
  • C3665 Ford Escort
  • C3665 Ford Everest
  • C3665 Ford Excursion
  • C3665 Ford Expedition
  • C3665 Ford Explorer
  • C3665 Ford Explorer Sport Trac
  • C3665 Ford F-150
  • C3665 Ford F-250
  • C3665 Ford F-350
  • C3665 Ford Fiesta
  • C3665 Ford Flex
  • C3665 Ford Focus
  • C3665 Ford Focus Electric
  • C3665 Ford Freestar
  • C3665 Ford Freestyle
  • C3665 Ford Fusion
  • C3665 Ford Fusion Energi
  • C3665 Ford Fusion Hybrid
  • C3665 Ford Fusion Plug-In Hybrid
  • C3665 Ford GT
  • C3665 Ford Mustang
  • C3665 Ford Mustang Mach-E
  • C3665 Ford Mystique
  • C3665 Ford Probe
  • C3665 Ford Ranger
  • C3665 Ford Taurus
  • C3665 Ford Taurus X
  • C3665 Ford Tempo
  • C3665 Ford Thunderbird
  • C3665 Ford Transit
  • C3665 Ford Transit Connect
  • C3665 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.