DTC P0121: Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item	Detecting Condition	Possible cause
DTC Strategy	Output voltage is monitored.	Poor connection Defective TP sensor (TPS) Defective ECM
Enable Conditions	Engine coolant > 77°C
Threshold value	Output voltage, VTPS > Th1 (rpm, load) or Output voltage, VTPS < Th2 (rpm, load)
Diagnosis Time	Continuous
MIL On Condition	2 driving cycles