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Home >> Jeep >> 2021 >> Grand Cherokee Trackhawk >> Repair and Diagnosis >> Engine Performance >> System >> 6.2L - DTCS P0443 To P0688 >> DTC Troubleshooting >> P0463-Fuel Level Sensor 1 Circuit High >> Possible Causes

Possible Causes

Possible Causes
PRIMARY FUEL LEVEL SENSOR SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
PRIMARY FUEL LEVEL SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
PRIMARY FUEL LEVEL SENSE RETURN CIRCUIT OPEN/HIGH RESISTANCE
PRIMARY FUEL LEVEL SENSOR
BODY CONTROL MODULE (BCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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