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Jeep
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2019
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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 P1E09 To U0121
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DTC Troubleshooting
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P257F-Engine Hood Switch Circuit High
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the Hood Ajar Switch voltage received over the CAN BUS from the BCM is above approximately 4.9 volts for 0.32 seconds.