C3943
C3943 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.C3943 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 C3943 Fault Code Meaning :
Ford C3943 Symptoms :
Ford C3943 Reasons :
How To Fix Ford C3943 Trouble Code ?
Which Ford cars have the code C3943?
- C3943 Ford Aerostar
- C3943 Ford Bronco
- C3943 Ford C-Max
- C3943 Ford C-Max Energi
- C3943 Ford C-Max Hybrid
- C3943 Ford Contour
- C3943 Ford Crown Victoria
- C3943 Ford EcoSport
- C3943 Ford Econoline
- C3943 Ford Edge
- C3943 Ford Escape
- C3943 Ford Escape Hybrid
- C3943 Ford Escort
- C3943 Ford Everest
- C3943 Ford Excursion
- C3943 Ford Expedition
- C3943 Ford Explorer
- C3943 Ford Explorer Sport Trac
- C3943 Ford F-150
- C3943 Ford F-250
- C3943 Ford F-350
- C3943 Ford Fiesta
- C3943 Ford Flex
- C3943 Ford Focus
- C3943 Ford Focus Electric
- C3943 Ford Freestar
- C3943 Ford Freestyle
- C3943 Ford Fusion
- C3943 Ford Fusion Energi
- C3943 Ford Fusion Hybrid
- C3943 Ford Fusion Plug-In Hybrid
- C3943 Ford GT
- C3943 Ford Mustang
- C3943 Ford Mustang Mach-E
- C3943 Ford Mystique
- C3943 Ford Probe
- C3943 Ford Ranger
- C3943 Ford Taurus
- C3943 Ford Taurus X
- C3943 Ford Tempo
- C3943 Ford Thunderbird
- C3943 Ford Transit
- C3943 Ford Transit Connect
- C3943 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.