U3842
U3842 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.U3842 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 U3842 Fault Code Meaning :
Ford U3842 Symptoms :
Ford U3842 Reasons :
How To Fix Ford U3842 Trouble Code ?
Which Ford cars have the code U3842?
- U3842 Ford Aerostar
- U3842 Ford Bronco
- U3842 Ford C-Max
- U3842 Ford C-Max Energi
- U3842 Ford C-Max Hybrid
- U3842 Ford Contour
- U3842 Ford Crown Victoria
- U3842 Ford EcoSport
- U3842 Ford Econoline
- U3842 Ford Edge
- U3842 Ford Escape
- U3842 Ford Escape Hybrid
- U3842 Ford Escort
- U3842 Ford Everest
- U3842 Ford Excursion
- U3842 Ford Expedition
- U3842 Ford Explorer
- U3842 Ford Explorer Sport Trac
- U3842 Ford F-150
- U3842 Ford F-250
- U3842 Ford F-350
- U3842 Ford Fiesta
- U3842 Ford Flex
- U3842 Ford Focus
- U3842 Ford Focus Electric
- U3842 Ford Freestar
- U3842 Ford Freestyle
- U3842 Ford Fusion
- U3842 Ford Fusion Energi
- U3842 Ford Fusion Hybrid
- U3842 Ford Fusion Plug-In Hybrid
- U3842 Ford GT
- U3842 Ford Mustang
- U3842 Ford Mustang Mach-E
- U3842 Ford Mystique
- U3842 Ford Probe
- U3842 Ford Ranger
- U3842 Ford Taurus
- U3842 Ford Taurus X
- U3842 Ford Tempo
- U3842 Ford Thunderbird
- U3842 Ford Transit
- U3842 Ford Transit Connect
- U3842 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.