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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 44 (2.0L - DTCS P0401 To P04C1) >> DTC Troubleshooting >> P04B5 Fuel Fill Door Stuck Open >> Possible Causes

Possible Causes

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Possible Causes
FUEL DOOR STATUS SIGNAL CIRCUIT SHORTED TO GROUND
OBSTRUCTION OR DAMAGE CAUSING FUEL DOOR FROM CLOSING PROPERLY
FUEL DOOR UNLOCK DRIVER SOLENOID ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

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