B3621

B3621 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3621 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 B3621 Fault Code Meaning :

Ford B3621 Symptoms :

Ford B3621 Reasons :

How To Fix Ford B3621 Trouble Code ?

Which Ford cars have the code B3621?

  • B3621 Ford Aerostar
  • B3621 Ford Bronco
  • B3621 Ford C-Max
  • B3621 Ford C-Max Energi
  • B3621 Ford C-Max Hybrid
  • B3621 Ford Contour
  • B3621 Ford Crown Victoria
  • B3621 Ford EcoSport
  • B3621 Ford Econoline
  • B3621 Ford Edge
  • B3621 Ford Escape
  • B3621 Ford Escape Hybrid
  • B3621 Ford Escort
  • B3621 Ford Everest
  • B3621 Ford Excursion
  • B3621 Ford Expedition
  • B3621 Ford Explorer
  • B3621 Ford Explorer Sport Trac
  • B3621 Ford F-150
  • B3621 Ford F-250
  • B3621 Ford F-350
  • B3621 Ford Fiesta
  • B3621 Ford Flex
  • B3621 Ford Focus
  • B3621 Ford Focus Electric
  • B3621 Ford Freestar
  • B3621 Ford Freestyle
  • B3621 Ford Fusion
  • B3621 Ford Fusion Energi
  • B3621 Ford Fusion Hybrid
  • B3621 Ford Fusion Plug-In Hybrid
  • B3621 Ford GT
  • B3621 Ford Mustang
  • B3621 Ford Mustang Mach-E
  • B3621 Ford Mystique
  • B3621 Ford Probe
  • B3621 Ford Ranger
  • B3621 Ford Taurus
  • B3621 Ford Taurus X
  • B3621 Ford Tempo
  • B3621 Ford Thunderbird
  • B3621 Ford Transit
  • B3621 Ford Transit Connect
  • B3621 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.