C3321

C3321 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3321 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford C3321 Fault Code Meaning :

Ford C3321 Symptoms :

Ford C3321 Reasons :

How To Fix Ford C3321 Trouble Code ?

Which Ford cars have the code C3321?

  • C3321 Ford Aerostar
  • C3321 Ford Bronco
  • C3321 Ford C-Max
  • C3321 Ford C-Max Energi
  • C3321 Ford C-Max Hybrid
  • C3321 Ford Contour
  • C3321 Ford Crown Victoria
  • C3321 Ford EcoSport
  • C3321 Ford Econoline
  • C3321 Ford Edge
  • C3321 Ford Escape
  • C3321 Ford Escape Hybrid
  • C3321 Ford Escort
  • C3321 Ford Everest
  • C3321 Ford Excursion
  • C3321 Ford Expedition
  • C3321 Ford Explorer
  • C3321 Ford Explorer Sport Trac
  • C3321 Ford F-150
  • C3321 Ford F-250
  • C3321 Ford F-350
  • C3321 Ford Fiesta
  • C3321 Ford Flex
  • C3321 Ford Focus
  • C3321 Ford Focus Electric
  • C3321 Ford Freestar
  • C3321 Ford Freestyle
  • C3321 Ford Fusion
  • C3321 Ford Fusion Energi
  • C3321 Ford Fusion Hybrid
  • C3321 Ford Fusion Plug-In Hybrid
  • C3321 Ford GT
  • C3321 Ford Mustang
  • C3321 Ford Mustang Mach-E
  • C3321 Ford Mystique
  • C3321 Ford Probe
  • C3321 Ford Ranger
  • C3321 Ford Taurus
  • C3321 Ford Taurus X
  • C3321 Ford Tempo
  • C3321 Ford Thunderbird
  • C3321 Ford Transit
  • C3321 Ford Transit Connect
  • C3321 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.