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Home >> Jeep >> 2021 >> Cherokee Trailhawk >> Repair and Diagnosis >> Engine Performance >> System >> 3.2L - DTCS P1239 To P2115 >> DTC Troubleshooting >> P1457-Fuel Tank Pressure Sensor Circuit High >> Set Condition

Set Condition

The Fuel Tank Pressure Sensor (FTP) signal voltage is greater than the maximum allowable voltage. One trip fault. Three good trips to turn off the MIL.

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