FixVault
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Jeep
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2018
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Grand Cherokee Trackhawk
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Repair and Diagnosis
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Engine Performance
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System
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6.2L - DTCS P0443 To P0685
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DTC Troubleshooting
›
P0463-Fuel Level Sensor 1 Circuit High
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Set Condition
Set Condition
The Primary Fuel Level Sensor signal voltage is above 4.9 volts for more than 3.2 seconds.