P0463low severityPowertrain
Fuel Level Sensor Circuit High Input
on 2004 GMC Yukon 5.3L V8 Vortec · RWD
What this code means
High voltage from fuel level sensor.
Symptoms
- Gauge reads full constantly
- DTE always showing full range
Common causes
- Open circuit
- Disconnected sender
- Corroded connector
Diagnostic steps
- Test circuit voltage
- Check connector
- Test sensor resistance
Repair notes
Repair connection or replace sender.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1