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Home >> Hyundai >> 2023 >> Tucson Plug-In Hybrid SEL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (7 Of 8) >> DTC P2270-00: O2 Sensor Signal Stuck Lean (Bank 1 Sensor 2) >> DTC Information And Inspection >> DTC Description

DTC Description

P227000 is set when the voltage of the rear O2 Sensor (Down) indicates that the air fuel ratio is lean even though the air-fuel ratio control is active due to the rich air fuel mixture.