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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (2.0L - DTCS P0489 To P04CE) >> DTC Troubleshooting >> P04CB Fuel Fill Door Open Request Sensor/Switch Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
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:  2.0L - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .