P12D9

P12D9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P12D9 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 P12D9 Fault Code Meaning :

Ford P12D9 Symptoms :

Ford P12D9 Reasons :

How To Fix Ford P12D9 Trouble Code ?

Which Ford cars have the code P12D9?

  • P12D9 Ford Aerostar
  • P12D9 Ford Bronco
  • P12D9 Ford C-Max
  • P12D9 Ford C-Max Energi
  • P12D9 Ford C-Max Hybrid
  • P12D9 Ford Contour
  • P12D9 Ford Crown Victoria
  • P12D9 Ford EcoSport
  • P12D9 Ford Econoline
  • P12D9 Ford Edge
  • P12D9 Ford Escape
  • P12D9 Ford Escape Hybrid
  • P12D9 Ford Escort
  • P12D9 Ford Everest
  • P12D9 Ford Excursion
  • P12D9 Ford Expedition
  • P12D9 Ford Explorer
  • P12D9 Ford Explorer Sport Trac
  • P12D9 Ford F-150
  • P12D9 Ford F-250
  • P12D9 Ford F-350
  • P12D9 Ford Fiesta
  • P12D9 Ford Flex
  • P12D9 Ford Focus
  • P12D9 Ford Focus Electric
  • P12D9 Ford Freestar
  • P12D9 Ford Freestyle
  • P12D9 Ford Fusion
  • P12D9 Ford Fusion Energi
  • P12D9 Ford Fusion Hybrid
  • P12D9 Ford Fusion Plug-In Hybrid
  • P12D9 Ford GT
  • P12D9 Ford Mustang
  • P12D9 Ford Mustang Mach-E
  • P12D9 Ford Mystique
  • P12D9 Ford Probe
  • P12D9 Ford Ranger
  • P12D9 Ford Taurus
  • P12D9 Ford Taurus X
  • P12D9 Ford Tempo
  • P12D9 Ford Thunderbird
  • P12D9 Ford Transit
  • P12D9 Ford Transit Connect
  • P12D9 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.