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2021
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Challenger SRT Hellcat, Automatic Trans
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Repair and Diagnosis
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Engine Performance
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System
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6.2L - DTCS P2246 To U0121
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DTC Troubleshooting
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P2251-O2 Sensor 1/1 Negative Current Control Circuit/Open
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Default Action
Default Action
MIL is illuminated on the second consecutive trip that the diagnostic fails.
The MIL will be turned off on the third consecutive trip that the diagnostic passes.