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Dodge and Ram
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2018
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Durango SXT Plus, RWD
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Repair and Diagnosis
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Engine Performance
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System
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3.6L - DTCS P2100 To U0121
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DTC Troubleshooting
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P257E-Engine Hood Switch Circuit Low
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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 below the minimum acceptable threshold.