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Jeep
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2021
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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 P1048 To P1D68
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DTC Troubleshooting
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P1456-Fuel Tank Pressure Sensor Circuit Low
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the Fuel Tank Pressure Sensor (FTP) input voltage is less than 0.18 volts.