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Hyundai
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2021
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Ioniq Plug-In Hybrid Limited
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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 (PHEV) (3 Of 3)
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DTC P2237: O2 Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1)
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DTC Information
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DTC Description
DTC Description
When Pumping Current voltage lines expressing the DTC P2237 The ECM is disconnected.