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Home >> Jeep >> 2022 >> Grand Cherokee 4xe >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P0463 To P04ED >> DTC Troubleshooting >> P04CB-Fuel Fill Door Open Request Sensor/Switch Circuit High >> Possible Causes

Possible Causes

Possible Causes
FUEL DOOR RELEASE SWITCH CIRCUIT SHORTED TO VOLTAGE
FUEL DOOR RELEASE SWITCH CIRCUIT OPEN/HIGH RESISTANCE
FUEL DOOR RELEASE SWITCH GROUND CIRCUIT OPEN/HIGH RESISTANCE
FUEL DOOR RELEASE SWITCH
BODY CONTROL MODULE (BCM)

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