P3920

P3920 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3920 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 P3920 Fault Code Meaning :

Ford P3920 Symptoms :

Ford P3920 Reasons :

How To Fix Ford P3920 Trouble Code ?

Which Ford cars have the code P3920?

  • P3920 Ford Aerostar
  • P3920 Ford Bronco
  • P3920 Ford C-Max
  • P3920 Ford C-Max Energi
  • P3920 Ford C-Max Hybrid
  • P3920 Ford Contour
  • P3920 Ford Crown Victoria
  • P3920 Ford EcoSport
  • P3920 Ford Econoline
  • P3920 Ford Edge
  • P3920 Ford Escape
  • P3920 Ford Escape Hybrid
  • P3920 Ford Escort
  • P3920 Ford Everest
  • P3920 Ford Excursion
  • P3920 Ford Expedition
  • P3920 Ford Explorer
  • P3920 Ford Explorer Sport Trac
  • P3920 Ford F-150
  • P3920 Ford F-250
  • P3920 Ford F-350
  • P3920 Ford Fiesta
  • P3920 Ford Flex
  • P3920 Ford Focus
  • P3920 Ford Focus Electric
  • P3920 Ford Freestar
  • P3920 Ford Freestyle
  • P3920 Ford Fusion
  • P3920 Ford Fusion Energi
  • P3920 Ford Fusion Hybrid
  • P3920 Ford Fusion Plug-In Hybrid
  • P3920 Ford GT
  • P3920 Ford Mustang
  • P3920 Ford Mustang Mach-E
  • P3920 Ford Mystique
  • P3920 Ford Probe
  • P3920 Ford Ranger
  • P3920 Ford Taurus
  • P3920 Ford Taurus X
  • P3920 Ford Tempo
  • P3920 Ford Thunderbird
  • P3920 Ford Transit
  • P3920 Ford Transit Connect
  • P3920 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.