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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> (Cabin Compartment Node (CCN) - Electrical Diagnostics) >> DTC Troubleshooting >> P0463-Fuel Level Sensor 1 High Circuit >> Possible Causes

Possible Causes

Possible Causes 
INTERMITTENT DTC
(N4) FUEL LEVEL SENSOR NO. 1 SIGNAL CIRCUIT SHORTED TO VOLTAGE
(Z210) GROUND CIRCUIT SHORTED TO VOLTAGE
(N4) FUEL LEVEL SENSOR NO. 1 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(Z210) GROUND CIRCUIT OPEN OR HIGH RESISTANCE
FUEL PUMP
INSTRUMENT CLUSTER (CCN)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure