P3391

P3391 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3391 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford P3391 Fault Code Meaning :

Ford P3391 Symptoms :

Ford P3391 Reasons :

How To Fix Ford P3391 Trouble Code ?

Which Ford cars have the code P3391?

  • P3391 Ford Aerostar
  • P3391 Ford Bronco
  • P3391 Ford C-Max
  • P3391 Ford C-Max Energi
  • P3391 Ford C-Max Hybrid
  • P3391 Ford Contour
  • P3391 Ford Crown Victoria
  • P3391 Ford EcoSport
  • P3391 Ford Econoline
  • P3391 Ford Edge
  • P3391 Ford Escape
  • P3391 Ford Escape Hybrid
  • P3391 Ford Escort
  • P3391 Ford Everest
  • P3391 Ford Excursion
  • P3391 Ford Expedition
  • P3391 Ford Explorer
  • P3391 Ford Explorer Sport Trac
  • P3391 Ford F-150
  • P3391 Ford F-250
  • P3391 Ford F-350
  • P3391 Ford Fiesta
  • P3391 Ford Flex
  • P3391 Ford Focus
  • P3391 Ford Focus Electric
  • P3391 Ford Freestar
  • P3391 Ford Freestyle
  • P3391 Ford Fusion
  • P3391 Ford Fusion Energi
  • P3391 Ford Fusion Hybrid
  • P3391 Ford Fusion Plug-In Hybrid
  • P3391 Ford GT
  • P3391 Ford Mustang
  • P3391 Ford Mustang Mach-E
  • P3391 Ford Mystique
  • P3391 Ford Probe
  • P3391 Ford Ranger
  • P3391 Ford Taurus
  • P3391 Ford Taurus X
  • P3391 Ford Tempo
  • P3391 Ford Thunderbird
  • P3391 Ford Transit
  • P3391 Ford Transit Connect
  • P3391 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.