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Home >> Kia >> 2021 >> Forte GT, Automatic DCT Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (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
  • Engine speed is below the target while ISC torque is around the maximum
  • Intake system for blockage
  • Throttle plate for carbon deposits
Enable Conditions
  • Time after engine start is greater than 2s
  • ECT is greater than 60°C (140°F)
  • IAT is greater than -10.5°C (13.1°F)
  • Accel pedal is same as 0%
  • Vehicle speed is same as 0
  • BARO is greater than 74.5 kPa
Threshold Value
  • Difference between target engine speed and actual engine speed is greater than 100 RPM
  • Difference between maximum idle torque and actual idle torque is greater than 10Nm
Diagnostic Time
  • 8s
MIL ON Condition
  • 2 driving cycles