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Home › Hyundai › 2021 › Ioniq Plug-In Hybrid Limited › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (PHEV) (3 Of 3) › DTC P2251: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) › DTC Information › DTC Description

DTC Description

When Virtual Ground lines expressing the DTC P2251 The ECM is disconnected.

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