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Jeep
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2018
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Compass Trailhawk
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Repair and Diagnosis
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Engine Performance
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System
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2.4L - DTCS P257F To U1504
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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 4.9 volts for 0.32 seconds.