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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 5) - DTCS P2271 To P257F
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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 1 Sense voltage received over the CAN BUS from the BCM is above 4.9 volts for 0.32 seconds.