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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 608 (3.6L - DTCS P0152 To P0523 - 1500) >> Diagnosis And Testing >> P0463-Fuel Level Sensor 1 Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
(N4) FUEL LEVEL SENSOR SIGNAL CIRCUIT OPEN
(N4) FUEL LEVEL SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
(G109) FUEL LEVEL SENSE RETURN CIRCUIT OPEN
OBSTRUCTION INSIDE THE FUEL TANK
DAMAGED FUEL TANK
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .