Possible causes

– Faulty Throttle Position Sensor
– Throttle Position Sensor harness is open or shorted
– Throttle Position Sensor circuit poor electrical connection

When is the code detected?

Engine Control Module (ECM) detected the Thottle Position (TP) sensor voltage extended above or below calibrated limits

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

FORD Technical Service Bulletins for P1125 code