P3640
P3640 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P3640 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 P3640 Fault Code Meaning :
Ford P3640 Symptoms :
Ford P3640 Reasons :
How To Fix Ford P3640 Trouble Code ?
Which Ford cars have the code P3640?
- P3640 Ford Aerostar
- P3640 Ford Bronco
- P3640 Ford C-Max
- P3640 Ford C-Max Energi
- P3640 Ford C-Max Hybrid
- P3640 Ford Contour
- P3640 Ford Crown Victoria
- P3640 Ford EcoSport
- P3640 Ford Econoline
- P3640 Ford Edge
- P3640 Ford Escape
- P3640 Ford Escape Hybrid
- P3640 Ford Escort
- P3640 Ford Everest
- P3640 Ford Excursion
- P3640 Ford Expedition
- P3640 Ford Explorer
- P3640 Ford Explorer Sport Trac
- P3640 Ford F-150
- P3640 Ford F-250
- P3640 Ford F-350
- P3640 Ford Fiesta
- P3640 Ford Flex
- P3640 Ford Focus
- P3640 Ford Focus Electric
- P3640 Ford Freestar
- P3640 Ford Freestyle
- P3640 Ford Fusion
- P3640 Ford Fusion Energi
- P3640 Ford Fusion Hybrid
- P3640 Ford Fusion Plug-In Hybrid
- P3640 Ford GT
- P3640 Ford Mustang
- P3640 Ford Mustang Mach-E
- P3640 Ford Mystique
- P3640 Ford Probe
- P3640 Ford Ranger
- P3640 Ford Taurus
- P3640 Ford Taurus X
- P3640 Ford Tempo
- P3640 Ford Thunderbird
- P3640 Ford Transit
- P3640 Ford Transit Connect
- P3640 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.