P9D78
P9D78 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P9D78 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 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 P9D78 Fault Code Meaning :
Ford P9D78 Symptoms :
Ford P9D78 Reasons :
How To Fix Ford P9D78 Trouble Code ?
Which Ford cars have the code P9D78?
- P9D78 Ford Aerostar
- P9D78 Ford Bronco
- P9D78 Ford C-Max
- P9D78 Ford C-Max Energi
- P9D78 Ford C-Max Hybrid
- P9D78 Ford Contour
- P9D78 Ford Crown Victoria
- P9D78 Ford EcoSport
- P9D78 Ford Econoline
- P9D78 Ford Edge
- P9D78 Ford Escape
- P9D78 Ford Escape Hybrid
- P9D78 Ford Escort
- P9D78 Ford Everest
- P9D78 Ford Excursion
- P9D78 Ford Expedition
- P9D78 Ford Explorer
- P9D78 Ford Explorer Sport Trac
- P9D78 Ford F-150
- P9D78 Ford F-250
- P9D78 Ford F-350
- P9D78 Ford Fiesta
- P9D78 Ford Flex
- P9D78 Ford Focus
- P9D78 Ford Focus Electric
- P9D78 Ford Freestar
- P9D78 Ford Freestyle
- P9D78 Ford Fusion
- P9D78 Ford Fusion Energi
- P9D78 Ford Fusion Hybrid
- P9D78 Ford Fusion Plug-In Hybrid
- P9D78 Ford GT
- P9D78 Ford Mustang
- P9D78 Ford Mustang Mach-E
- P9D78 Ford Mystique
- P9D78 Ford Probe
- P9D78 Ford Ranger
- P9D78 Ford Taurus
- P9D78 Ford Taurus X
- P9D78 Ford Tempo
- P9D78 Ford Thunderbird
- P9D78 Ford Transit
- P9D78 Ford Transit Connect
- P9D78 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.