P9A21
P9A21 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P9A21 Diagnosis
The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.The position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.
Engine starting is disabled and other optional functions may be interrupted until the fault is corrected and the ignition switch is cycled.
Ford P9A21 Fault Code Meaning :
Ford P9A21 Symptoms :
Ford P9A21 Reasons :
How To Fix Ford P9A21 Trouble Code ?
Which Ford cars have the code P9A21?
- P9A21 Ford Aerostar
- P9A21 Ford Bronco
- P9A21 Ford C-Max
- P9A21 Ford C-Max Energi
- P9A21 Ford C-Max Hybrid
- P9A21 Ford Contour
- P9A21 Ford Crown Victoria
- P9A21 Ford EcoSport
- P9A21 Ford Econoline
- P9A21 Ford Edge
- P9A21 Ford Escape
- P9A21 Ford Escape Hybrid
- P9A21 Ford Escort
- P9A21 Ford Everest
- P9A21 Ford Excursion
- P9A21 Ford Expedition
- P9A21 Ford Explorer
- P9A21 Ford Explorer Sport Trac
- P9A21 Ford F-150
- P9A21 Ford F-250
- P9A21 Ford F-350
- P9A21 Ford Fiesta
- P9A21 Ford Flex
- P9A21 Ford Focus
- P9A21 Ford Focus Electric
- P9A21 Ford Freestar
- P9A21 Ford Freestyle
- P9A21 Ford Fusion
- P9A21 Ford Fusion Energi
- P9A21 Ford Fusion Hybrid
- P9A21 Ford Fusion Plug-In Hybrid
- P9A21 Ford GT
- P9A21 Ford Mustang
- P9A21 Ford Mustang Mach-E
- P9A21 Ford Mystique
- P9A21 Ford Probe
- P9A21 Ford Ranger
- P9A21 Ford Taurus
- P9A21 Ford Taurus X
- P9A21 Ford Tempo
- P9A21 Ford Thunderbird
- P9A21 Ford Transit
- P9A21 Ford Transit Connect
- P9A21 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.