P45F9

P45F9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P45F9 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 P45F9 Fault Code Meaning :

Ford P45F9 Symptoms :

Ford P45F9 Reasons :

How To Fix Ford P45F9 Trouble Code ?

Which Ford cars have the code P45F9?

  • P45F9 Ford Aerostar
  • P45F9 Ford Bronco
  • P45F9 Ford C-Max
  • P45F9 Ford C-Max Energi
  • P45F9 Ford C-Max Hybrid
  • P45F9 Ford Contour
  • P45F9 Ford Crown Victoria
  • P45F9 Ford EcoSport
  • P45F9 Ford Econoline
  • P45F9 Ford Edge
  • P45F9 Ford Escape
  • P45F9 Ford Escape Hybrid
  • P45F9 Ford Escort
  • P45F9 Ford Everest
  • P45F9 Ford Excursion
  • P45F9 Ford Expedition
  • P45F9 Ford Explorer
  • P45F9 Ford Explorer Sport Trac
  • P45F9 Ford F-150
  • P45F9 Ford F-250
  • P45F9 Ford F-350
  • P45F9 Ford Fiesta
  • P45F9 Ford Flex
  • P45F9 Ford Focus
  • P45F9 Ford Focus Electric
  • P45F9 Ford Freestar
  • P45F9 Ford Freestyle
  • P45F9 Ford Fusion
  • P45F9 Ford Fusion Energi
  • P45F9 Ford Fusion Hybrid
  • P45F9 Ford Fusion Plug-In Hybrid
  • P45F9 Ford GT
  • P45F9 Ford Mustang
  • P45F9 Ford Mustang Mach-E
  • P45F9 Ford Mystique
  • P45F9 Ford Probe
  • P45F9 Ford Ranger
  • P45F9 Ford Taurus
  • P45F9 Ford Taurus X
  • P45F9 Ford Tempo
  • P45F9 Ford Thunderbird
  • P45F9 Ford Transit
  • P45F9 Ford Transit Connect
  • P45F9 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.