B3439

B3439 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3439 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 B3439 Fault Code Meaning :

Ford B3439 Symptoms :

Ford B3439 Reasons :

How To Fix Ford B3439 Trouble Code ?

Which Ford cars have the code B3439?

  • B3439 Ford Aerostar
  • B3439 Ford Bronco
  • B3439 Ford C-Max
  • B3439 Ford C-Max Energi
  • B3439 Ford C-Max Hybrid
  • B3439 Ford Contour
  • B3439 Ford Crown Victoria
  • B3439 Ford EcoSport
  • B3439 Ford Econoline
  • B3439 Ford Edge
  • B3439 Ford Escape
  • B3439 Ford Escape Hybrid
  • B3439 Ford Escort
  • B3439 Ford Everest
  • B3439 Ford Excursion
  • B3439 Ford Expedition
  • B3439 Ford Explorer
  • B3439 Ford Explorer Sport Trac
  • B3439 Ford F-150
  • B3439 Ford F-250
  • B3439 Ford F-350
  • B3439 Ford Fiesta
  • B3439 Ford Flex
  • B3439 Ford Focus
  • B3439 Ford Focus Electric
  • B3439 Ford Freestar
  • B3439 Ford Freestyle
  • B3439 Ford Fusion
  • B3439 Ford Fusion Energi
  • B3439 Ford Fusion Hybrid
  • B3439 Ford Fusion Plug-In Hybrid
  • B3439 Ford GT
  • B3439 Ford Mustang
  • B3439 Ford Mustang Mach-E
  • B3439 Ford Mystique
  • B3439 Ford Probe
  • B3439 Ford Ranger
  • B3439 Ford Taurus
  • B3439 Ford Taurus X
  • B3439 Ford Tempo
  • B3439 Ford Thunderbird
  • B3439 Ford Transit
  • B3439 Ford Transit Connect
  • B3439 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.