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Home >> Kia >> 2020 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 6) (PHEV) >> DTC P0405-00: Exhaust Gas Recirculation Sensor A Circuit Low >> DTC Information >> DTC Detecting Condition
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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 open
  3. EGR Actuator position sensor circuit short to ground
  4. EGR Actuator position sensor malfunction
Enable Conditions
  • Engine stop
Threshold Value
  • Valve position sensor voltage is lower than 0.21V
Diagnostic Time
  • 0.1s
Mil On Condition
  • 2 Driving Cycles
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