P644B
P644B Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P644B 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.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.
The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.
Ford P644B Fault Code Meaning :
Ford P644B Symptoms :
Ford P644B Reasons :
How To Fix Ford P644B Trouble Code ?
Which Ford cars have the code P644B?
- P644B Ford Aerostar
- P644B Ford Bronco
- P644B Ford C-Max
- P644B Ford C-Max Energi
- P644B Ford C-Max Hybrid
- P644B Ford Contour
- P644B Ford Crown Victoria
- P644B Ford EcoSport
- P644B Ford Econoline
- P644B Ford Edge
- P644B Ford Escape
- P644B Ford Escape Hybrid
- P644B Ford Escort
- P644B Ford Everest
- P644B Ford Excursion
- P644B Ford Expedition
- P644B Ford Explorer
- P644B Ford Explorer Sport Trac
- P644B Ford F-150
- P644B Ford F-250
- P644B Ford F-350
- P644B Ford Fiesta
- P644B Ford Flex
- P644B Ford Focus
- P644B Ford Focus Electric
- P644B Ford Freestar
- P644B Ford Freestyle
- P644B Ford Fusion
- P644B Ford Fusion Energi
- P644B Ford Fusion Hybrid
- P644B Ford Fusion Plug-In Hybrid
- P644B Ford GT
- P644B Ford Mustang
- P644B Ford Mustang Mach-E
- P644B Ford Mystique
- P644B Ford Probe
- P644B Ford Ranger
- P644B Ford Taurus
- P644B Ford Taurus X
- P644B Ford Tempo
- P644B Ford Thunderbird
- P644B Ford Transit
- P644B Ford Transit Connect
- P644B 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.