P0121 KIA Throttle Position Sensor Circuit Range/Performance Problem

Possible causes – Faulty throttle position sensor– Throttle position sensor harness is open or shorted– Throttle position sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? If the difference between actual and calculated value exceeds threshold value, the Engine Control Module (ECM) judged this as a fault and…