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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) (PHEV) >> 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 80°C (176°F)
  • 5s elapsed after pedal value equal to 0% and vehicle speed equal to 0 km/h (0 mph)
  • Battery voltage higher than 11V and lower than 16V
  • No relevant DTC present
Threshold Value
  • Deviation of Target RPM and Current RPM higher than 100 RPM (Engine speed too low)
Diagnostic Time
  • 17s
Mil On Condition
  • 2 Driving Cycles