P3B78
P3B78 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P3B78 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.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.
The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.
Ford P3B78 Fault Code Meaning :
Ford P3B78 Symptoms :
Ford P3B78 Reasons :
How To Fix Ford P3B78 Trouble Code ?
Which Ford cars have the code P3B78?
- P3B78 Ford Aerostar
- P3B78 Ford Bronco
- P3B78 Ford C-Max
- P3B78 Ford C-Max Energi
- P3B78 Ford C-Max Hybrid
- P3B78 Ford Contour
- P3B78 Ford Crown Victoria
- P3B78 Ford EcoSport
- P3B78 Ford Econoline
- P3B78 Ford Edge
- P3B78 Ford Escape
- P3B78 Ford Escape Hybrid
- P3B78 Ford Escort
- P3B78 Ford Everest
- P3B78 Ford Excursion
- P3B78 Ford Expedition
- P3B78 Ford Explorer
- P3B78 Ford Explorer Sport Trac
- P3B78 Ford F-150
- P3B78 Ford F-250
- P3B78 Ford F-350
- P3B78 Ford Fiesta
- P3B78 Ford Flex
- P3B78 Ford Focus
- P3B78 Ford Focus Electric
- P3B78 Ford Freestar
- P3B78 Ford Freestyle
- P3B78 Ford Fusion
- P3B78 Ford Fusion Energi
- P3B78 Ford Fusion Hybrid
- P3B78 Ford Fusion Plug-In Hybrid
- P3B78 Ford GT
- P3B78 Ford Mustang
- P3B78 Ford Mustang Mach-E
- P3B78 Ford Mystique
- P3B78 Ford Probe
- P3B78 Ford Ranger
- P3B78 Ford Taurus
- P3B78 Ford Taurus X
- P3B78 Ford Tempo
- P3B78 Ford Thunderbird
- P3B78 Ford Transit
- P3B78 Ford Transit Connect
- P3B78 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.