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Home >> Genesis >> 2021 >> G90 3.3T Premium, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.3L (8 Of 9) >> DTC P2123-00: Accelerator Position Sensor 1 Signal Circuit High Input >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical check
  1. Poor connection
  2. Short to battery in signal circuit
  3. Open in ground circuit
  4. Faulty APS
  5. Faulty ECM
Enable Conditions
  • Ignition switch is on condition
Threshold Value
  • APS_1 voltage is greater than 4.73V
  • Short circuit to battery
Diagnosis Time
  • 0.3 seconds
MIL On Condition
  • 1 driving cycle
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