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Home >> Kia >> 2015 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 2.4L (Except HEV) >> DTC P2123: Throttle/Pedal Position Sensor/Switch 'D' Circuit High Input >> DTC Information >> DTC Description

DTC Description

The PCM monitors APS1 output voltage signals, if the PCM detects output voltage higher than the possible range of a properly operating APS1 signal, the PCM sets DTC P2123.