B3221

B3221 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3221 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 B3221 Fault Code Meaning :

Ford B3221 Symptoms :

Ford B3221 Reasons :

How To Fix Ford B3221 Trouble Code ?

Which Ford cars have the code B3221?

  • B3221 Ford Aerostar
  • B3221 Ford Bronco
  • B3221 Ford C-Max
  • B3221 Ford C-Max Energi
  • B3221 Ford C-Max Hybrid
  • B3221 Ford Contour
  • B3221 Ford Crown Victoria
  • B3221 Ford EcoSport
  • B3221 Ford Econoline
  • B3221 Ford Edge
  • B3221 Ford Escape
  • B3221 Ford Escape Hybrid
  • B3221 Ford Escort
  • B3221 Ford Everest
  • B3221 Ford Excursion
  • B3221 Ford Expedition
  • B3221 Ford Explorer
  • B3221 Ford Explorer Sport Trac
  • B3221 Ford F-150
  • B3221 Ford F-250
  • B3221 Ford F-350
  • B3221 Ford Fiesta
  • B3221 Ford Flex
  • B3221 Ford Focus
  • B3221 Ford Focus Electric
  • B3221 Ford Freestar
  • B3221 Ford Freestyle
  • B3221 Ford Fusion
  • B3221 Ford Fusion Energi
  • B3221 Ford Fusion Hybrid
  • B3221 Ford Fusion Plug-In Hybrid
  • B3221 Ford GT
  • B3221 Ford Mustang
  • B3221 Ford Mustang Mach-E
  • B3221 Ford Mystique
  • B3221 Ford Probe
  • B3221 Ford Ranger
  • B3221 Ford Taurus
  • B3221 Ford Taurus X
  • B3221 Ford Tempo
  • B3221 Ford Thunderbird
  • B3221 Ford Transit
  • B3221 Ford Transit Connect
  • B3221 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.