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Engine Control System Diagnosis (5 Of 6) (PHEV)
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DTC P2251-00: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1)
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ETM
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
DTC P2251-00: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1): ETM
For wiring diagram information, refer to appropriate SYSTEM WIRING DIAGRAMS article.