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Home › Genesis › 2019 › G90 3.3T Premium, AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis - 3.3L (6 Of 6) › DTC P2254: O2 Sensor Reference Ground Circuit/Open (Bank 2 Sensor 1) › DTC Information › DTC Description

DTC Description

The ECM (PCM) monitors front O2 sensor virtual ground voltage (Vg) and sets a DTC P2254 if front O2 sensor signal stuck is detected.

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