U1666
U1666 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.U1666 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 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 U1666 Fault Code Meaning :
Ford U1666 Symptoms :
Ford U1666 Reasons :
How To Fix Ford U1666 Trouble Code ?
Which Ford cars have the code U1666?
- U1666 Ford Aerostar
- U1666 Ford Bronco
- U1666 Ford C-Max
- U1666 Ford C-Max Energi
- U1666 Ford C-Max Hybrid
- U1666 Ford Contour
- U1666 Ford Crown Victoria
- U1666 Ford EcoSport
- U1666 Ford Econoline
- U1666 Ford Edge
- U1666 Ford Escape
- U1666 Ford Escape Hybrid
- U1666 Ford Escort
- U1666 Ford Everest
- U1666 Ford Excursion
- U1666 Ford Expedition
- U1666 Ford Explorer
- U1666 Ford Explorer Sport Trac
- U1666 Ford F-150
- U1666 Ford F-250
- U1666 Ford F-350
- U1666 Ford Fiesta
- U1666 Ford Flex
- U1666 Ford Focus
- U1666 Ford Focus Electric
- U1666 Ford Freestar
- U1666 Ford Freestyle
- U1666 Ford Fusion
- U1666 Ford Fusion Energi
- U1666 Ford Fusion Hybrid
- U1666 Ford Fusion Plug-In Hybrid
- U1666 Ford GT
- U1666 Ford Mustang
- U1666 Ford Mustang Mach-E
- U1666 Ford Mystique
- U1666 Ford Probe
- U1666 Ford Ranger
- U1666 Ford Taurus
- U1666 Ford Taurus X
- U1666 Ford Tempo
- U1666 Ford Thunderbird
- U1666 Ford Transit
- U1666 Ford Transit Connect
- U1666 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.