P40C9

P40C9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P40C9 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open 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.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P40C9 Fault Code Meaning :

Ford P40C9 Symptoms :

Ford P40C9 Reasons :

How To Fix Ford P40C9 Trouble Code ?

Which Ford cars have the code P40C9?

  • P40C9 Ford Aerostar
  • P40C9 Ford Bronco
  • P40C9 Ford C-Max
  • P40C9 Ford C-Max Energi
  • P40C9 Ford C-Max Hybrid
  • P40C9 Ford Contour
  • P40C9 Ford Crown Victoria
  • P40C9 Ford EcoSport
  • P40C9 Ford Econoline
  • P40C9 Ford Edge
  • P40C9 Ford Escape
  • P40C9 Ford Escape Hybrid
  • P40C9 Ford Escort
  • P40C9 Ford Everest
  • P40C9 Ford Excursion
  • P40C9 Ford Expedition
  • P40C9 Ford Explorer
  • P40C9 Ford Explorer Sport Trac
  • P40C9 Ford F-150
  • P40C9 Ford F-250
  • P40C9 Ford F-350
  • P40C9 Ford Fiesta
  • P40C9 Ford Flex
  • P40C9 Ford Focus
  • P40C9 Ford Focus Electric
  • P40C9 Ford Freestar
  • P40C9 Ford Freestyle
  • P40C9 Ford Fusion
  • P40C9 Ford Fusion Energi
  • P40C9 Ford Fusion Hybrid
  • P40C9 Ford Fusion Plug-In Hybrid
  • P40C9 Ford GT
  • P40C9 Ford Mustang
  • P40C9 Ford Mustang Mach-E
  • P40C9 Ford Mystique
  • P40C9 Ford Probe
  • P40C9 Ford Ranger
  • P40C9 Ford Taurus
  • P40C9 Ford Taurus X
  • P40C9 Ford Tempo
  • P40C9 Ford Thunderbird
  • P40C9 Ford Transit
  • P40C9 Ford Transit Connect
  • P40C9 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.