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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1657 (5.7L CNG - DTCS P01A0 To P0506 - 2500 Hd) >> DTC Troubleshooting >> P0463-Fuel Level Sensor 1 Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
PRIMARY FUEL LEVEL SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
PRIMARY FUEL LEVEL SENSOR SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
PRIMARY FUEL LEVEL SENSE RETURN CIRCUIT OPEN/HIGH RESISTANCE
PRIMARY FUEL LEVEL SENSOR
BODY CONTROL MODULE (BCM)

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