C12B9

C12B9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C12B9 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford C12B9 Fault Code Meaning :

Ford C12B9 Symptoms :

Ford C12B9 Reasons :

How To Fix Ford C12B9 Trouble Code ?

Which Ford cars have the code C12B9?

  • C12B9 Ford Aerostar
  • C12B9 Ford Bronco
  • C12B9 Ford C-Max
  • C12B9 Ford C-Max Energi
  • C12B9 Ford C-Max Hybrid
  • C12B9 Ford Contour
  • C12B9 Ford Crown Victoria
  • C12B9 Ford EcoSport
  • C12B9 Ford Econoline
  • C12B9 Ford Edge
  • C12B9 Ford Escape
  • C12B9 Ford Escape Hybrid
  • C12B9 Ford Escort
  • C12B9 Ford Everest
  • C12B9 Ford Excursion
  • C12B9 Ford Expedition
  • C12B9 Ford Explorer
  • C12B9 Ford Explorer Sport Trac
  • C12B9 Ford F-150
  • C12B9 Ford F-250
  • C12B9 Ford F-350
  • C12B9 Ford Fiesta
  • C12B9 Ford Flex
  • C12B9 Ford Focus
  • C12B9 Ford Focus Electric
  • C12B9 Ford Freestar
  • C12B9 Ford Freestyle
  • C12B9 Ford Fusion
  • C12B9 Ford Fusion Energi
  • C12B9 Ford Fusion Hybrid
  • C12B9 Ford Fusion Plug-In Hybrid
  • C12B9 Ford GT
  • C12B9 Ford Mustang
  • C12B9 Ford Mustang Mach-E
  • C12B9 Ford Mystique
  • C12B9 Ford Probe
  • C12B9 Ford Ranger
  • C12B9 Ford Taurus
  • C12B9 Ford Taurus X
  • C12B9 Ford Tempo
  • C12B9 Ford Thunderbird
  • C12B9 Ford Transit
  • C12B9 Ford Transit Connect
  • C12B9 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.