B0939
B0939 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.B0939 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.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 B0939 Fault Code Meaning :
Ford B0939 Symptoms :
Ford B0939 Reasons :
How To Fix Ford B0939 Trouble Code ?
Which Ford cars have the code B0939?
- B0939 Ford Aerostar
- B0939 Ford Bronco
- B0939 Ford C-Max
- B0939 Ford C-Max Energi
- B0939 Ford C-Max Hybrid
- B0939 Ford Contour
- B0939 Ford Crown Victoria
- B0939 Ford EcoSport
- B0939 Ford Econoline
- B0939 Ford Edge
- B0939 Ford Escape
- B0939 Ford Escape Hybrid
- B0939 Ford Escort
- B0939 Ford Everest
- B0939 Ford Excursion
- B0939 Ford Expedition
- B0939 Ford Explorer
- B0939 Ford Explorer Sport Trac
- B0939 Ford F-150
- B0939 Ford F-250
- B0939 Ford F-350
- B0939 Ford Fiesta
- B0939 Ford Flex
- B0939 Ford Focus
- B0939 Ford Focus Electric
- B0939 Ford Freestar
- B0939 Ford Freestyle
- B0939 Ford Fusion
- B0939 Ford Fusion Energi
- B0939 Ford Fusion Hybrid
- B0939 Ford Fusion Plug-In Hybrid
- B0939 Ford GT
- B0939 Ford Mustang
- B0939 Ford Mustang Mach-E
- B0939 Ford Mystique
- B0939 Ford Probe
- B0939 Ford Ranger
- B0939 Ford Taurus
- B0939 Ford Taurus X
- B0939 Ford Tempo
- B0939 Ford Thunderbird
- B0939 Ford Transit
- B0939 Ford Transit Connect
- B0939 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.