DTC P0123: Throttle/Pedal Position Sensor/Switch "A" Circuit High Input (Gasoline) / Accelerator Position Sensor 1-High Input (Diesel): DTC Detecting Condition

DTC DETECTING CONDITION

Item	Detecting Condition	Possible Cause
DTC Strategy	Voltage range check	Open in signal or ground circuit. Short to battery in signal circuit. Contact resistance in connectors. Faulty TP sensor.
Enable Conditions	Battery voltage 6-16V
Threshold value	Voltage > 4.86 V
Diagnostic Time	1 sec.
Fall Safe	Throttle position value is determined by function of engine speed, mass air flow and idle duty.