LEMON Manuals
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Cherokee Altitude, 4WD
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Repair and Diagnosis (Single Page)
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Engine Performance
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Testing & Diagnosis
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2.4L - DTCS P1E08 To U0101
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DTC Troubleshooting
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P2251-O2 Sensor 1/1 Negative Current Control Circuit/Open
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When Monitored
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When Monitored
This diagnostic runs when the following conditions are met:
With the ignition on.
The pump cell active.
The O2 Sensor 1/1 at operating temperature.