P81F9

P81F9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P81F9 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 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 P81F9 Fault Code Meaning :

Ford P81F9 Symptoms :

Ford P81F9 Reasons :

How To Fix Ford P81F9 Trouble Code ?

Which Ford cars have the code P81F9?

  • P81F9 Ford Aerostar
  • P81F9 Ford Bronco
  • P81F9 Ford C-Max
  • P81F9 Ford C-Max Energi
  • P81F9 Ford C-Max Hybrid
  • P81F9 Ford Contour
  • P81F9 Ford Crown Victoria
  • P81F9 Ford EcoSport
  • P81F9 Ford Econoline
  • P81F9 Ford Edge
  • P81F9 Ford Escape
  • P81F9 Ford Escape Hybrid
  • P81F9 Ford Escort
  • P81F9 Ford Everest
  • P81F9 Ford Excursion
  • P81F9 Ford Expedition
  • P81F9 Ford Explorer
  • P81F9 Ford Explorer Sport Trac
  • P81F9 Ford F-150
  • P81F9 Ford F-250
  • P81F9 Ford F-350
  • P81F9 Ford Fiesta
  • P81F9 Ford Flex
  • P81F9 Ford Focus
  • P81F9 Ford Focus Electric
  • P81F9 Ford Freestar
  • P81F9 Ford Freestyle
  • P81F9 Ford Fusion
  • P81F9 Ford Fusion Energi
  • P81F9 Ford Fusion Hybrid
  • P81F9 Ford Fusion Plug-In Hybrid
  • P81F9 Ford GT
  • P81F9 Ford Mustang
  • P81F9 Ford Mustang Mach-E
  • P81F9 Ford Mystique
  • P81F9 Ford Probe
  • P81F9 Ford Ranger
  • P81F9 Ford Taurus
  • P81F9 Ford Taurus X
  • P81F9 Ford Tempo
  • P81F9 Ford Thunderbird
  • P81F9 Ford Transit
  • P81F9 Ford Transit Connect
  • P81F9 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.