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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 P0506-00: Idle Air Control System-RPM Lower Than Expected >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring the actual idle speed deviation from the target engine speed
  • Intake system for air leakage
  • Binding throttle valve
Enable Condition
  • Engine coolant temperature is greater than 63°C (145.4°F)
  • Normal auxiliary battery voltage (11 to 16V)
Threshold Value
  • If the difference between the actual engine speed and the target engine speed is greater than 100rpm (When the engine speed value is low)
Diagnostic Time
  • 17s
MIL ON Condition
  • -
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