C12E4

C12E4 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C12E4 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 C12E4 Fault Code Meaning :

Ford C12E4 Symptoms :

Ford C12E4 Reasons :

How To Fix Ford C12E4 Trouble Code ?

Which Ford cars have the code C12E4?

  • C12E4 Ford Aerostar
  • C12E4 Ford Bronco
  • C12E4 Ford C-Max
  • C12E4 Ford C-Max Energi
  • C12E4 Ford C-Max Hybrid
  • C12E4 Ford Contour
  • C12E4 Ford Crown Victoria
  • C12E4 Ford EcoSport
  • C12E4 Ford Econoline
  • C12E4 Ford Edge
  • C12E4 Ford Escape
  • C12E4 Ford Escape Hybrid
  • C12E4 Ford Escort
  • C12E4 Ford Everest
  • C12E4 Ford Excursion
  • C12E4 Ford Expedition
  • C12E4 Ford Explorer
  • C12E4 Ford Explorer Sport Trac
  • C12E4 Ford F-150
  • C12E4 Ford F-250
  • C12E4 Ford F-350
  • C12E4 Ford Fiesta
  • C12E4 Ford Flex
  • C12E4 Ford Focus
  • C12E4 Ford Focus Electric
  • C12E4 Ford Freestar
  • C12E4 Ford Freestyle
  • C12E4 Ford Fusion
  • C12E4 Ford Fusion Energi
  • C12E4 Ford Fusion Hybrid
  • C12E4 Ford Fusion Plug-In Hybrid
  • C12E4 Ford GT
  • C12E4 Ford Mustang
  • C12E4 Ford Mustang Mach-E
  • C12E4 Ford Mystique
  • C12E4 Ford Probe
  • C12E4 Ford Ranger
  • C12E4 Ford Taurus
  • C12E4 Ford Taurus X
  • C12E4 Ford Tempo
  • C12E4 Ford Thunderbird
  • C12E4 Ford Transit
  • C12E4 Ford Transit Connect
  • C12E4 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.