P18F9

P18F9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P18F9 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 ICU reads the wiper switch position and sends the status of the switch to the BHM. This fault becomes active when the ICU reads that both LO speed and HI speed are active at the same time.

The BHM measures the current on this circuit when the headlamp output is commanded ON. This fault indicates that the left high beam headlamp circuit is drawing more current than it is designed to supply and possibly there is a wiring fault shorting this circuit to ground.

Ford P18F9 Fault Code Meaning :

Ford P18F9 Symptoms :

Ford P18F9 Reasons :

How To Fix Ford P18F9 Trouble Code ?

Which Ford cars have the code P18F9?

  • P18F9 Ford Aerostar
  • P18F9 Ford Bronco
  • P18F9 Ford C-Max
  • P18F9 Ford C-Max Energi
  • P18F9 Ford C-Max Hybrid
  • P18F9 Ford Contour
  • P18F9 Ford Crown Victoria
  • P18F9 Ford EcoSport
  • P18F9 Ford Econoline
  • P18F9 Ford Edge
  • P18F9 Ford Escape
  • P18F9 Ford Escape Hybrid
  • P18F9 Ford Escort
  • P18F9 Ford Everest
  • P18F9 Ford Excursion
  • P18F9 Ford Expedition
  • P18F9 Ford Explorer
  • P18F9 Ford Explorer Sport Trac
  • P18F9 Ford F-150
  • P18F9 Ford F-250
  • P18F9 Ford F-350
  • P18F9 Ford Fiesta
  • P18F9 Ford Flex
  • P18F9 Ford Focus
  • P18F9 Ford Focus Electric
  • P18F9 Ford Freestar
  • P18F9 Ford Freestyle
  • P18F9 Ford Fusion
  • P18F9 Ford Fusion Energi
  • P18F9 Ford Fusion Hybrid
  • P18F9 Ford Fusion Plug-In Hybrid
  • P18F9 Ford GT
  • P18F9 Ford Mustang
  • P18F9 Ford Mustang Mach-E
  • P18F9 Ford Mystique
  • P18F9 Ford Probe
  • P18F9 Ford Ranger
  • P18F9 Ford Taurus
  • P18F9 Ford Taurus X
  • P18F9 Ford Tempo
  • P18F9 Ford Thunderbird
  • P18F9 Ford Transit
  • P18F9 Ford Transit Connect
  • P18F9 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.