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Home >> Kia >> 2019 >> Optima LX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 6) (PHEV) >> DTC P0406-00: Exhaust Gas Recirculation Sensor A 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 position sensor circuit shorted to battery
  3. EGR Actuator position sensor malfunction
Enable Conditions
  • Engine running
Threshold Value
  • Valve position sensor voltage is higher than 4.74V
Diagnostic Time
  • 0.1s
Mil On Condition
  • 2 Driving Cycles
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