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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 P0401-00: Exhaust Gas Recirculation Flow Insufficient Detected >> DTC Information >> DTC Description
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DTC Description

P040100 is set when ECM detects that duty amount of EGR actuator control valve, ENG speed or amount of EGR is exceeded to minimum set point last. In this case, check that stuck of EGR actuator, air leakage of intake line.