P79D9

P79D9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P79D9 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford P79D9 Fault Code Meaning :

Ford P79D9 Symptoms :

Ford P79D9 Reasons :

How To Fix Ford P79D9 Trouble Code ?

Which Ford cars have the code P79D9?

  • P79D9 Ford Aerostar
  • P79D9 Ford Bronco
  • P79D9 Ford C-Max
  • P79D9 Ford C-Max Energi
  • P79D9 Ford C-Max Hybrid
  • P79D9 Ford Contour
  • P79D9 Ford Crown Victoria
  • P79D9 Ford EcoSport
  • P79D9 Ford Econoline
  • P79D9 Ford Edge
  • P79D9 Ford Escape
  • P79D9 Ford Escape Hybrid
  • P79D9 Ford Escort
  • P79D9 Ford Everest
  • P79D9 Ford Excursion
  • P79D9 Ford Expedition
  • P79D9 Ford Explorer
  • P79D9 Ford Explorer Sport Trac
  • P79D9 Ford F-150
  • P79D9 Ford F-250
  • P79D9 Ford F-350
  • P79D9 Ford Fiesta
  • P79D9 Ford Flex
  • P79D9 Ford Focus
  • P79D9 Ford Focus Electric
  • P79D9 Ford Freestar
  • P79D9 Ford Freestyle
  • P79D9 Ford Fusion
  • P79D9 Ford Fusion Energi
  • P79D9 Ford Fusion Hybrid
  • P79D9 Ford Fusion Plug-In Hybrid
  • P79D9 Ford GT
  • P79D9 Ford Mustang
  • P79D9 Ford Mustang Mach-E
  • P79D9 Ford Mystique
  • P79D9 Ford Probe
  • P79D9 Ford Ranger
  • P79D9 Ford Taurus
  • P79D9 Ford Taurus X
  • P79D9 Ford Tempo
  • P79D9 Ford Thunderbird
  • P79D9 Ford Transit
  • P79D9 Ford Transit Connect
  • P79D9 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.