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Home >> Kia >> 2021 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (4 Of 6) >> DTC P050A-00: Cold Start Idle Air Control System Performance >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Idle engine speed monitoring
  • Intake air restriction
  • Exhaust restriction
  • Engine mechanical concern
  • Damaged or sludgy throttle body
  • Vacuum leaks
  • Damaged ECM
Enable Condition
  • Engine coolant temperature is between -10°C (14°F) to 33°C (91.4°F) at engine start
  • Vehicle speed is less than 100km/h (62mph)
  • Accelerator active value is less than 50%
Threshold Value Case1
  • Deviation of actual rpm and target rpm is greater than 270rpm when the target rpm is high
  • Idle torque controller operated value is greater than 30Nm (during 5s)
Case2
  • Deviation of actual rpm and target rpm is greater than 200rpm when the actual rpm is high (during 5s)
  • Idle torque controller operated value is less than -30Nm
Diagnostic Time
  • 20s
MIL ON Condition
  • 2 driving cycles