B3665

B3665 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3665 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 OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford B3665 Fault Code Meaning :

Ford B3665 Symptoms :

Ford B3665 Reasons :

How To Fix Ford B3665 Trouble Code ?

Which Ford cars have the code B3665?

  • B3665 Ford Aerostar
  • B3665 Ford Bronco
  • B3665 Ford C-Max
  • B3665 Ford C-Max Energi
  • B3665 Ford C-Max Hybrid
  • B3665 Ford Contour
  • B3665 Ford Crown Victoria
  • B3665 Ford EcoSport
  • B3665 Ford Econoline
  • B3665 Ford Edge
  • B3665 Ford Escape
  • B3665 Ford Escape Hybrid
  • B3665 Ford Escort
  • B3665 Ford Everest
  • B3665 Ford Excursion
  • B3665 Ford Expedition
  • B3665 Ford Explorer
  • B3665 Ford Explorer Sport Trac
  • B3665 Ford F-150
  • B3665 Ford F-250
  • B3665 Ford F-350
  • B3665 Ford Fiesta
  • B3665 Ford Flex
  • B3665 Ford Focus
  • B3665 Ford Focus Electric
  • B3665 Ford Freestar
  • B3665 Ford Freestyle
  • B3665 Ford Fusion
  • B3665 Ford Fusion Energi
  • B3665 Ford Fusion Hybrid
  • B3665 Ford Fusion Plug-In Hybrid
  • B3665 Ford GT
  • B3665 Ford Mustang
  • B3665 Ford Mustang Mach-E
  • B3665 Ford Mystique
  • B3665 Ford Probe
  • B3665 Ford Ranger
  • B3665 Ford Taurus
  • B3665 Ford Taurus X
  • B3665 Ford Tempo
  • B3665 Ford Thunderbird
  • B3665 Ford Transit
  • B3665 Ford Transit Connect
  • B3665 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.