P643A
P643A Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P643A Diagnosis
The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.
The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.
Ford P643A Fault Code Meaning :
Ford P643A Symptoms :
Ford P643A Reasons :
How To Fix Ford P643A Trouble Code ?
Which Ford cars have the code P643A?
- P643A Ford Aerostar
- P643A Ford Bronco
- P643A Ford C-Max
- P643A Ford C-Max Energi
- P643A Ford C-Max Hybrid
- P643A Ford Contour
- P643A Ford Crown Victoria
- P643A Ford EcoSport
- P643A Ford Econoline
- P643A Ford Edge
- P643A Ford Escape
- P643A Ford Escape Hybrid
- P643A Ford Escort
- P643A Ford Everest
- P643A Ford Excursion
- P643A Ford Expedition
- P643A Ford Explorer
- P643A Ford Explorer Sport Trac
- P643A Ford F-150
- P643A Ford F-250
- P643A Ford F-350
- P643A Ford Fiesta
- P643A Ford Flex
- P643A Ford Focus
- P643A Ford Focus Electric
- P643A Ford Freestar
- P643A Ford Freestyle
- P643A Ford Fusion
- P643A Ford Fusion Energi
- P643A Ford Fusion Hybrid
- P643A Ford Fusion Plug-In Hybrid
- P643A Ford GT
- P643A Ford Mustang
- P643A Ford Mustang Mach-E
- P643A Ford Mystique
- P643A Ford Probe
- P643A Ford Ranger
- P643A Ford Taurus
- P643A Ford Taurus X
- P643A Ford Tempo
- P643A Ford Thunderbird
- P643A Ford Transit
- P643A Ford Transit Connect
- P643A 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.