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Home >> Jeep >> 2007 >> Wrangler Rubicon, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0430 To P0571 >> P0463-Fuel Level Sensor 1 Circuit High >> Possible Causes
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Possible Causes

Possible Causes 
(N4) FUEL LEVEL SIGNAL CIRCUIT SHORTED TO VOLTAGE
(N4) FUEL LEVEL SIGNAL CIRCUIT OPEN
(K900) SENSOR GROUND CIRCUIT OPEN
FUEL LEVEL SENSOR
TOTALLY INTEGRATED POWER MODULE (TIPM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.