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Home >> Hyundai >> 2022 >> Tucson Plug-In Hybrid SEL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (7 Of 8) >> DTC P2251-00: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) >> DTC Information And Inspection >> DTC Description

DTC Description

The ECM monitors O2 Sensor (Up) Reference Ground circuit and sets DTC P225100 if an O2 Sensor (Up) sensor signal indicates to be stuck.

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