C0666

C0666 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0666 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.The position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford C0666 Fault Code Meaning :

Ford C0666 Symptoms :

Ford C0666 Reasons :

How To Fix Ford C0666 Trouble Code ?

Which Ford cars have the code C0666?

  • C0666 Ford Aerostar
  • C0666 Ford Bronco
  • C0666 Ford C-Max
  • C0666 Ford C-Max Energi
  • C0666 Ford C-Max Hybrid
  • C0666 Ford Contour
  • C0666 Ford Crown Victoria
  • C0666 Ford EcoSport
  • C0666 Ford Econoline
  • C0666 Ford Edge
  • C0666 Ford Escape
  • C0666 Ford Escape Hybrid
  • C0666 Ford Escort
  • C0666 Ford Everest
  • C0666 Ford Excursion
  • C0666 Ford Expedition
  • C0666 Ford Explorer
  • C0666 Ford Explorer Sport Trac
  • C0666 Ford F-150
  • C0666 Ford F-250
  • C0666 Ford F-350
  • C0666 Ford Fiesta
  • C0666 Ford Flex
  • C0666 Ford Focus
  • C0666 Ford Focus Electric
  • C0666 Ford Freestar
  • C0666 Ford Freestyle
  • C0666 Ford Fusion
  • C0666 Ford Fusion Energi
  • C0666 Ford Fusion Hybrid
  • C0666 Ford Fusion Plug-In Hybrid
  • C0666 Ford GT
  • C0666 Ford Mustang
  • C0666 Ford Mustang Mach-E
  • C0666 Ford Mystique
  • C0666 Ford Probe
  • C0666 Ford Ranger
  • C0666 Ford Taurus
  • C0666 Ford Taurus X
  • C0666 Ford Tempo
  • C0666 Ford Thunderbird
  • C0666 Ford Transit
  • C0666 Ford Transit Connect
  • C0666 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.