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Home >> Genesis >> 2021 >> GV80 3.5T Advanced >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.5L (8 Of 9) >> DTC P2271-00: O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2 >> DTC Information And Inspection >> DTC Description
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DTC Description

P227100 is set when the voltage of the rear Oxygen Sensor (B1S2) indicates that the air fuel ratio is rich even though the air-fuel ratio control is active due to the lean air fuel mixture.

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