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Jeep
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2024
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Gladiator Nighthawk, Part Time T/Case Control, Automatic Trans
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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3.6L (GPEC 2A) - DTCS P0457 To P04D1
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DTC Troubleshooting
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P0457-EVAP System - Loose Fuel Cap
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Set Condition
Set Condition
The Powertrain Control Module (PCM) initiates an intrusive test after a 25% fuel level increase and the ESIM Switch either opened before the maximum calibrated time, or the ESIM Switch did not close at all.