Mike's Workshop Manuals
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Jeep
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2019
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Cherokee High Altitude, 2.0L Eng VIN N, Automatic T/Case Control
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Repair and Diagnosis
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Engine Performance
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System
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2.0L - DTCS P1DBD To P2302
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DTC Troubleshooting
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P2237-O2 Sensor 1/1 Pump Cell Current 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.