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Ioniq Plug-In Hybrid
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Diagnosis (3 Of 3) (PHEV)
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DTC P2251: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1)
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DTC Information
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DTC Description
DTC Description
When Virtual Ground lines expressing the DTC P2251 The ECM is disconnected.