P646A
P646A Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P646A 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.The ICU reads the wiper switch position and sends the status of the switch to the BHM. This fault becomes active when the ICU reads that both LO speed and HI speed are active at the same time.
The BHM measures the current on this circuit when the headlamp output is commanded ON. This fault indicates that the left high beam headlamp circuit is drawing more current than it is designed to supply and possibly there is a wiring fault shorting this circuit to ground.
Ford P646A Fault Code Meaning :
Ford P646A Symptoms :
Ford P646A Reasons :
How To Fix Ford P646A Trouble Code ?
Which Ford cars have the code P646A?
- P646A Ford Aerostar
- P646A Ford Bronco
- P646A Ford C-Max
- P646A Ford C-Max Energi
- P646A Ford C-Max Hybrid
- P646A Ford Contour
- P646A Ford Crown Victoria
- P646A Ford EcoSport
- P646A Ford Econoline
- P646A Ford Edge
- P646A Ford Escape
- P646A Ford Escape Hybrid
- P646A Ford Escort
- P646A Ford Everest
- P646A Ford Excursion
- P646A Ford Expedition
- P646A Ford Explorer
- P646A Ford Explorer Sport Trac
- P646A Ford F-150
- P646A Ford F-250
- P646A Ford F-350
- P646A Ford Fiesta
- P646A Ford Flex
- P646A Ford Focus
- P646A Ford Focus Electric
- P646A Ford Freestar
- P646A Ford Freestyle
- P646A Ford Fusion
- P646A Ford Fusion Energi
- P646A Ford Fusion Hybrid
- P646A Ford Fusion Plug-In Hybrid
- P646A Ford GT
- P646A Ford Mustang
- P646A Ford Mustang Mach-E
- P646A Ford Mystique
- P646A Ford Probe
- P646A Ford Ranger
- P646A Ford Taurus
- P646A Ford Taurus X
- P646A Ford Tempo
- P646A Ford Thunderbird
- P646A Ford Transit
- P646A Ford Transit Connect
- P646A 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.