Mike's Workshop Manuals
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Jeep
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2021
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Renegade Trailhawk
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Repair and Diagnosis
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Engine Performance
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System
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1.3L - DTCS P025D To P0521
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DTC Troubleshooting
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P0455: EVAP System Large Leak
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Set Condition
Set Condition
The Powertrain Control Module (PCM) initiates an intrusive test to determine the leak size. During the test the ESIM switch opened before a calibrated period of time, indicating a large leak is present.