P0464 2018 GMC Sierra Code - Fuel Level Sensor Circuit Intermittent
Quick Answer
The diagnostic trouble code P0464 for a 2018 GMC Sierra indicates a problem with the fuel level sensor circuit being intermittent. Common causes include Faulty fuel level sensor, Damaged or corroded wiring in the sensor circuit, Loose or disconnected connectors in the sensor circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0464 2018 GMC Sierra indicates Fuel Level Sensor Circuit Intermittent.
- Common causes
- Common causes include Faulty fuel level sensor, Damaged or corroded wiring in the sensor circuit, Loose or disconnected connectors in the sensor circuit.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0464 2018 GMC Sierra Description
The diagnostic trouble code P0464 for a 2018 GMC Sierra indicates a problem with the fuel level sensor circuit being intermittent. The fuel level sensor is responsible for sending information to the vehicle's fuel gauge to display the correct level of fuel in the tank. When this sensor circuit is intermittent, it means that there is a disruption in the communication between the sensor and the vehicle's computer system, leading to inaccurate fuel level readings.
Common Causes of P0464 2018 GMC Sierra
- Faulty fuel level sensor
- Damaged or corroded wiring in the sensor circuit
- Loose or disconnected connectors in the sensor circuit
- Issues with the vehicle's computer system processing sensor data
Symptoms of P0464 2018 GMC Sierra
- Inaccurate fuel level readings on the fuel gauge
- Check engine light illuminated on the dashboard
- Fluctuating fuel gauge readings while driving
- Fuel gauge stuck on empty or full
How to Fix P0464 2018 GMC Sierra
- Perform a diagnostic scan to confirm the P0464 code and identify the specific cause of the issue.
- Inspect the fuel level sensor, wiring, and connectors for any visible damage or corrosion.
- Replace the faulty fuel level sensor if necessary.
- Repair or replace damaged wiring and connectors in the sensor circuit.
- Clear the trouble code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0464 2018 GMC Sierra
The typical repair costs for addressing the P0464 code on a 2018 GMC Sierra can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.
Tech Notes for P0464 2018 GMC Sierra
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