P3321

P3321 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3321 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.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 P3321 Fault Code Meaning :

Ford P3321 Symptoms :

Ford P3321 Reasons :

How To Fix Ford P3321 Trouble Code ?

Which Ford cars have the code P3321?

  • P3321 Ford Aerostar
  • P3321 Ford Bronco
  • P3321 Ford C-Max
  • P3321 Ford C-Max Energi
  • P3321 Ford C-Max Hybrid
  • P3321 Ford Contour
  • P3321 Ford Crown Victoria
  • P3321 Ford EcoSport
  • P3321 Ford Econoline
  • P3321 Ford Edge
  • P3321 Ford Escape
  • P3321 Ford Escape Hybrid
  • P3321 Ford Escort
  • P3321 Ford Everest
  • P3321 Ford Excursion
  • P3321 Ford Expedition
  • P3321 Ford Explorer
  • P3321 Ford Explorer Sport Trac
  • P3321 Ford F-150
  • P3321 Ford F-250
  • P3321 Ford F-350
  • P3321 Ford Fiesta
  • P3321 Ford Flex
  • P3321 Ford Focus
  • P3321 Ford Focus Electric
  • P3321 Ford Freestar
  • P3321 Ford Freestyle
  • P3321 Ford Fusion
  • P3321 Ford Fusion Energi
  • P3321 Ford Fusion Hybrid
  • P3321 Ford Fusion Plug-In Hybrid
  • P3321 Ford GT
  • P3321 Ford Mustang
  • P3321 Ford Mustang Mach-E
  • P3321 Ford Mystique
  • P3321 Ford Probe
  • P3321 Ford Ranger
  • P3321 Ford Taurus
  • P3321 Ford Taurus X
  • P3321 Ford Tempo
  • P3321 Ford Thunderbird
  • P3321 Ford Transit
  • P3321 Ford Transit Connect
  • P3321 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.