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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 37 (Engine Control System Diagnosis - 2.0L (Except HEV) (6 Of 6)) >> DTC P2251-00: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) >> DTC Information And Inspection >> DTC Description

DTC Description

WARNING: This page is about a different variant/trim than selected.

The PCM 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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