C1668

C1668 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1668 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 C1668 Fault Code Meaning :

Ford C1668 Symptoms :

Ford C1668 Reasons :

How To Fix Ford C1668 Trouble Code ?

Which Ford cars have the code C1668?

  • C1668 Ford Aerostar
  • C1668 Ford Bronco
  • C1668 Ford C-Max
  • C1668 Ford C-Max Energi
  • C1668 Ford C-Max Hybrid
  • C1668 Ford Contour
  • C1668 Ford Crown Victoria
  • C1668 Ford EcoSport
  • C1668 Ford Econoline
  • C1668 Ford Edge
  • C1668 Ford Escape
  • C1668 Ford Escape Hybrid
  • C1668 Ford Escort
  • C1668 Ford Everest
  • C1668 Ford Excursion
  • C1668 Ford Expedition
  • C1668 Ford Explorer
  • C1668 Ford Explorer Sport Trac
  • C1668 Ford F-150
  • C1668 Ford F-250
  • C1668 Ford F-350
  • C1668 Ford Fiesta
  • C1668 Ford Flex
  • C1668 Ford Focus
  • C1668 Ford Focus Electric
  • C1668 Ford Freestar
  • C1668 Ford Freestyle
  • C1668 Ford Fusion
  • C1668 Ford Fusion Energi
  • C1668 Ford Fusion Hybrid
  • C1668 Ford Fusion Plug-In Hybrid
  • C1668 Ford GT
  • C1668 Ford Mustang
  • C1668 Ford Mustang Mach-E
  • C1668 Ford Mystique
  • C1668 Ford Probe
  • C1668 Ford Ranger
  • C1668 Ford Taurus
  • C1668 Ford Taurus X
  • C1668 Ford Tempo
  • C1668 Ford Thunderbird
  • C1668 Ford Transit
  • C1668 Ford Transit Connect
  • C1668 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.