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Home >> Kia >> 2021 >> Rio LX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (4 Of 6) >> DTC P0490-00: Exhaust Gas Recirculation Control Circuit High >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor the EGR motor and the power stage
  • Poor connector connection
  • EGR actuator is shorted to battery
  • Faulty EGR actuator
Enable Condition
  • EGR control duty (5s)
Threshold Value
  • EGR actuator motor circuit is shorted to battery
Diagnostic Time
  • 0.1s
MIL ON Condition
  • 2 driving cycles
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