P55D9
P55D9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P55D9 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 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 P55D9 Fault Code Meaning :
Ford P55D9 Symptoms :
Ford P55D9 Reasons :
How To Fix Ford P55D9 Trouble Code ?
Which Ford cars have the code P55D9?
- P55D9 Ford Aerostar
- P55D9 Ford Bronco
- P55D9 Ford C-Max
- P55D9 Ford C-Max Energi
- P55D9 Ford C-Max Hybrid
- P55D9 Ford Contour
- P55D9 Ford Crown Victoria
- P55D9 Ford EcoSport
- P55D9 Ford Econoline
- P55D9 Ford Edge
- P55D9 Ford Escape
- P55D9 Ford Escape Hybrid
- P55D9 Ford Escort
- P55D9 Ford Everest
- P55D9 Ford Excursion
- P55D9 Ford Expedition
- P55D9 Ford Explorer
- P55D9 Ford Explorer Sport Trac
- P55D9 Ford F-150
- P55D9 Ford F-250
- P55D9 Ford F-350
- P55D9 Ford Fiesta
- P55D9 Ford Flex
- P55D9 Ford Focus
- P55D9 Ford Focus Electric
- P55D9 Ford Freestar
- P55D9 Ford Freestyle
- P55D9 Ford Fusion
- P55D9 Ford Fusion Energi
- P55D9 Ford Fusion Hybrid
- P55D9 Ford Fusion Plug-In Hybrid
- P55D9 Ford GT
- P55D9 Ford Mustang
- P55D9 Ford Mustang Mach-E
- P55D9 Ford Mystique
- P55D9 Ford Probe
- P55D9 Ford Ranger
- P55D9 Ford Taurus
- P55D9 Ford Taurus X
- P55D9 Ford Tempo
- P55D9 Ford Thunderbird
- P55D9 Ford Transit
- P55D9 Ford Transit Connect
- P55D9 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.