DTC P0123 Throttle/Pedal Position Sensor/Switch "A" Circuit High Input: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item		Detecting Condition	Possible Cause
DTC Strategy		Voltage range check	Open in signal or ground circuit Short to battery in signal circuit Poor connection or damaged harness Faulty TPS1
Enable Conditions	Case 1	Ignition "ON"
Enable Conditions	Case 2	Ignition "ON" In idle status Target throttle angle < 58% MAF Limp home detected or TPS2 failure detected
Threshold Value	Case 1	TPS1 > 4.9V
Threshold Value	Case 2	TPS1 > 3.0V
Diagnostic Time		0.05 sec.
Limp-Home		Forced limited power mode: When the DTC is set, the ECM reduces engine torque by 25% of normal value. The ECM uses TPS2 signal to monitor the controlled opening angle of the throttle valve.
MIL On Condition		1 Driving Cycle