C1665

C1665 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1665 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 C1665 Fault Code Meaning :

Ford C1665 Symptoms :

Ford C1665 Reasons :

How To Fix Ford C1665 Trouble Code ?

Which Ford cars have the code C1665?

  • C1665 Ford Aerostar
  • C1665 Ford Bronco
  • C1665 Ford C-Max
  • C1665 Ford C-Max Energi
  • C1665 Ford C-Max Hybrid
  • C1665 Ford Contour
  • C1665 Ford Crown Victoria
  • C1665 Ford EcoSport
  • C1665 Ford Econoline
  • C1665 Ford Edge
  • C1665 Ford Escape
  • C1665 Ford Escape Hybrid
  • C1665 Ford Escort
  • C1665 Ford Everest
  • C1665 Ford Excursion
  • C1665 Ford Expedition
  • C1665 Ford Explorer
  • C1665 Ford Explorer Sport Trac
  • C1665 Ford F-150
  • C1665 Ford F-250
  • C1665 Ford F-350
  • C1665 Ford Fiesta
  • C1665 Ford Flex
  • C1665 Ford Focus
  • C1665 Ford Focus Electric
  • C1665 Ford Freestar
  • C1665 Ford Freestyle
  • C1665 Ford Fusion
  • C1665 Ford Fusion Energi
  • C1665 Ford Fusion Hybrid
  • C1665 Ford Fusion Plug-In Hybrid
  • C1665 Ford GT
  • C1665 Ford Mustang
  • C1665 Ford Mustang Mach-E
  • C1665 Ford Mystique
  • C1665 Ford Probe
  • C1665 Ford Ranger
  • C1665 Ford Taurus
  • C1665 Ford Taurus X
  • C1665 Ford Tempo
  • C1665 Ford Thunderbird
  • C1665 Ford Transit
  • C1665 Ford Transit Connect
  • C1665 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.