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Jeep
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2023
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Cherokee Trailhawk
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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 P0440 To P0506
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DTC Troubleshooting
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P0440-General EVAP System Failure
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Set Condition
Set Condition
The Powertrain Control Module (PCM) initiates an intrusive test to determine the leak size. This DTCs sets when the ESIM Switch did not close during the test period.