B3684
B3684 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.B3684 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.
This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.
Ford B3684 Fault Code Meaning :
Ford B3684 Symptoms :
Ford B3684 Reasons :
How To Fix Ford B3684 Trouble Code ?
Which Ford cars have the code B3684?
- B3684 Ford Aerostar
- B3684 Ford Bronco
- B3684 Ford C-Max
- B3684 Ford C-Max Energi
- B3684 Ford C-Max Hybrid
- B3684 Ford Contour
- B3684 Ford Crown Victoria
- B3684 Ford EcoSport
- B3684 Ford Econoline
- B3684 Ford Edge
- B3684 Ford Escape
- B3684 Ford Escape Hybrid
- B3684 Ford Escort
- B3684 Ford Everest
- B3684 Ford Excursion
- B3684 Ford Expedition
- B3684 Ford Explorer
- B3684 Ford Explorer Sport Trac
- B3684 Ford F-150
- B3684 Ford F-250
- B3684 Ford F-350
- B3684 Ford Fiesta
- B3684 Ford Flex
- B3684 Ford Focus
- B3684 Ford Focus Electric
- B3684 Ford Freestar
- B3684 Ford Freestyle
- B3684 Ford Fusion
- B3684 Ford Fusion Energi
- B3684 Ford Fusion Hybrid
- B3684 Ford Fusion Plug-In Hybrid
- B3684 Ford GT
- B3684 Ford Mustang
- B3684 Ford Mustang Mach-E
- B3684 Ford Mystique
- B3684 Ford Probe
- B3684 Ford Ranger
- B3684 Ford Taurus
- B3684 Ford Taurus X
- B3684 Ford Tempo
- B3684 Ford Thunderbird
- B3684 Ford Transit
- B3684 Ford Transit Connect
- B3684 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.