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Home >> Kia >> 2016 >> Optima LX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.4L (2 Of 3) - Optima (Except HEV) >> DTC P0506-00: Idle Air Control System-RPM Lower Than Expected >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring the actual Idle speed deviation from the target engine speed
  1. Poor Connector Connection
  2. Restricted Intake or Exhaust System
  3. Vacuum Leaks
  4. Faulty Throttle Body
Enable Conditions
  • Engine coolant temp. higher than 163.4°F (73°C)
  • 5s. elapsed after pedal value equal 0% and vehicle speed equal 0mph (0kph)
  • Battery voltage higher than 11V and lower than 16V
  • No relevant DTC present
Threshold Value
  • Deviation of target RPM and current RPM higher than 100RPM (Engine speed too low)
Diagnostic Time
  • 17s.
MIL ON Condition
  • 2 Driving cycles