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Home >> Jeep >> 2021 >> Gladiator Mojave, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 3.6L (GPEC 2A) - DTCS P1055 To P1496 >> DTC Troubleshooting >> P1456-Fuel Tank Pressure Sensor Circuit Low >> Possible Causes

Possible Causes

POSSIBLE CAUSES
FTP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
FTP SENSOR SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT
FUEL TANK PRESSURE SENSOR (FTP)
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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