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Home >> Kia >> 2021 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (5 Of 6) >> 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
  • Short to battery in signal circuit
  • Poor connector connection or damaged harness
  • Faulty APS1
Enable Condition
  • Ignition "ON"
  • APS2 voltage is greater than 0.55V
Threshold Value
  • APS1 voltage is greater than 4.7V
Diagnostic Time
  • Continuously
MIL ON Condition
  • 1 driving cycle
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