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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 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
  • Signal monitoring
  1. Poor connection or damaged harness
  2. EGR actuator motor is shorted to battery
  3. Faulty EGR motor
Enable Conditions
  • Battery voltage is higher than 10V
Threshold Value
  • EGR actuator motor circuit is shorted to battery
Diagnostic Time
  • 0.1s
Mil On Condition
  • 2 Driving Cycles
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