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Home >> Kia >> 2022 >> Telluride EX, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (11 Of 12) >> DTC P2251-00: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) >> DTC Information >> DTC Description
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DTC Description

The ECM monitors upstream HO2S virtual ground voltage (Vg) and sets a DTC P225100 if upstream HO2S signal stuck is detected.

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