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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 93 (6.7L Diesel - DTCS P0402 To P1CEF - 2500 & 3500) >> Diagnosis and Testing >> P0463-Fuel Level Sensor 1 Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
FUEL LEVEL SENSOR
(N4) FUEL LEVEL SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
(N4) FUEL LEVEL SENSOR SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
(G109) FUEL LEVEL SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
TOTALLY INTEGRATED POWER MODULE (TIPM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L  .