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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 45 (2.0L - DTCS P04C2 To P0523) >> DTC Troubleshooting >> P04CB Fuel Fill Door Open Request Sensor / Switch Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
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  .