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Home >> Hyundai >> 2021 >> Palisade Calligraphy, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (9 Of 9) >> DTC P2251-00: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) >> DTC Information and Inspection >> DTC Description
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DTC Description

The ECM monitors front O2 sensor virtual ground voltage (Vg) and sets a DTC P225100 if front O2 sensor signal stuck is detected.

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