P77F9

P77F9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P77F9 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 position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford P77F9 Fault Code Meaning :

Ford P77F9 Symptoms :

Ford P77F9 Reasons :

How To Fix Ford P77F9 Trouble Code ?

Which Ford cars have the code P77F9?

  • P77F9 Ford Aerostar
  • P77F9 Ford Bronco
  • P77F9 Ford C-Max
  • P77F9 Ford C-Max Energi
  • P77F9 Ford C-Max Hybrid
  • P77F9 Ford Contour
  • P77F9 Ford Crown Victoria
  • P77F9 Ford EcoSport
  • P77F9 Ford Econoline
  • P77F9 Ford Edge
  • P77F9 Ford Escape
  • P77F9 Ford Escape Hybrid
  • P77F9 Ford Escort
  • P77F9 Ford Everest
  • P77F9 Ford Excursion
  • P77F9 Ford Expedition
  • P77F9 Ford Explorer
  • P77F9 Ford Explorer Sport Trac
  • P77F9 Ford F-150
  • P77F9 Ford F-250
  • P77F9 Ford F-350
  • P77F9 Ford Fiesta
  • P77F9 Ford Flex
  • P77F9 Ford Focus
  • P77F9 Ford Focus Electric
  • P77F9 Ford Freestar
  • P77F9 Ford Freestyle
  • P77F9 Ford Fusion
  • P77F9 Ford Fusion Energi
  • P77F9 Ford Fusion Hybrid
  • P77F9 Ford Fusion Plug-In Hybrid
  • P77F9 Ford GT
  • P77F9 Ford Mustang
  • P77F9 Ford Mustang Mach-E
  • P77F9 Ford Mystique
  • P77F9 Ford Probe
  • P77F9 Ford Ranger
  • P77F9 Ford Taurus
  • P77F9 Ford Taurus X
  • P77F9 Ford Tempo
  • P77F9 Ford Thunderbird
  • P77F9 Ford Transit
  • P77F9 Ford Transit Connect
  • P77F9 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.