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Home >> Kia >> 2021 >> Sedona EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (6 Of 7) >> DTC P2123-00: Accelerator Position Sensor 1 Signal Circuit High Input >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Electrical check
  • Poor connection
  • Short to battery in signal circuit
  • Open in ground circuit
  • Faulty APS
  • Faulty ECM
Enable Conditions
  • Ignition "ON"
Threshold Value
  • APS_1 voltage is greater than 4.73V
  • Short circuit to battery
Diagnostic Time
  • 0.3s
MIL ON Condition
  • 1 driving cycle
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