U0401
U0401 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.U0401 Diagnosis
This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.
The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.
Ford U0401 Fault Code Meaning :
Ford U0401 Symptoms :
Ford U0401 Reasons :
How To Fix Ford U0401 Trouble Code ?
Which Ford cars have the code U0401?
- U0401 Ford Aerostar
- U0401 Ford Bronco
- U0401 Ford C-Max
- U0401 Ford C-Max Energi
- U0401 Ford C-Max Hybrid
- U0401 Ford Contour
- U0401 Ford Crown Victoria
- U0401 Ford EcoSport
- U0401 Ford Econoline
- U0401 Ford Edge
- U0401 Ford Escape
- U0401 Ford Escape Hybrid
- U0401 Ford Escort
- U0401 Ford Everest
- U0401 Ford Excursion
- U0401 Ford Expedition
- U0401 Ford Explorer
- U0401 Ford Explorer Sport Trac
- U0401 Ford F-150
- U0401 Ford F-250
- U0401 Ford F-350
- U0401 Ford Fiesta
- U0401 Ford Flex
- U0401 Ford Focus
- U0401 Ford Focus Electric
- U0401 Ford Freestar
- U0401 Ford Freestyle
- U0401 Ford Fusion
- U0401 Ford Fusion Energi
- U0401 Ford Fusion Hybrid
- U0401 Ford Fusion Plug-In Hybrid
- U0401 Ford GT
- U0401 Ford Mustang
- U0401 Ford Mustang Mach-E
- U0401 Ford Mystique
- U0401 Ford Probe
- U0401 Ford Ranger
- U0401 Ford Taurus
- U0401 Ford Taurus X
- U0401 Ford Tempo
- U0401 Ford Thunderbird
- U0401 Ford Transit
- U0401 Ford Transit Connect
- U0401 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.