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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0335 To P0506 - NGC >> P0463-Fuel Level Sensor 1 Circuit High >> Possible Causes

Possible Causes

Possible Causes 
(N4) FUEL LEVEL SIGNAL CIRCUIT SHORTED TO VOLTAGE
(Z912), (Z210) GROUND CIRCUIT OPEN
FUEL LEVEL SENSOR
INSTRUMENT CLUSTER

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