Faulty Clutch Switch/Sensor
Clutch Switch/Sensor harness is open or shorted
Clutch Switch/Sensor circuit poor electrical connection
Engine Light ON (or Service Engine Soon Warning Light)
Clutch Switch/Sensor Signal is the generic description for the P1939 Lincoln code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P1939 Lincoln OBDII code.