LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2019 >> Forte FE, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (4 Of 6) >> DTC P0506-00: Idle Air Control System-RPM Lower Than Expected >> DTC Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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
  • Poor connector connection
  • Restricted intake or exhaust System
  • Vacuum leaks
  • Faulty throttle body
Enable Conditions
  • Vehicle speed = 0 mph
  • ECT greater than 50°C (122°F)
  • Intake air temperature greater than -10.5°C (13.1°F)
  • Accel. Pedal = 0%
  • BARO greater than 74.5 kPa (0.74bar/10.80psi)
Threshold Value
  • Difference of target engine speed at actual engine speed is higher than 100RPM
  • Difference of Max. idle torque at actual idle torque is lower than 10Nm
Diagnostic Time
  • 8s
MIL ON Condition
  • 2 driving cycles