Engine-CodesChevrolet – P0464 2018 Chevrolet Silverado

P0464 2018 Chevrolet Silverado Code - Fuel Level Sensor Circuit Intermittent

Quick Answer

The P0464 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado relates to the Fuel Level Sensor Circuit being intermittent. Common causes include Faulty fuel level sensor, Corrosion or damage to the sensor wiring, Poor electrical connection to the sensor. 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 Chevrolet Silverado indicates Fuel Level Sensor Circuit Intermittent.
Common causes
Common causes include Faulty fuel level sensor, Corrosion or damage to the sensor wiring, Poor electrical connection to the sensor.
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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P0464 2018 Chevrolet Silverado Description

The P0464 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado relates to the Fuel Level Sensor Circuit being intermittent. This means that there is a problem with the fuel level sensor or its circuit, which is responsible for accurately measuring the amount of fuel in the tank. The fuel level sensor is a crucial component that sends information to the vehicle's fuel gauge, allowing the driver to monitor the fuel level and avoid running out of gas unexpectedly.

OBDII Code P0464 2018 Chevrolet Silverado - Fuel Level Sensor Circuit Intermittent
P0464 2018 Chevrolet Silverado Code - Fuel Level Sensor Circuit Intermittent

Common Causes of P0464 2018 Chevrolet Silverado

  1. Faulty fuel level sensor
  2. Corrosion or damage to the sensor wiring
  3. Poor electrical connection to the sensor
  4. Issues with the vehicle's computer system
  5. Fuel pump failure affecting sensor function

Symptoms of P0464 2018 Chevrolet Silverado

  1. Fluctuating fuel gauge readings
  2. Fuel gauge stuck on empty or full
  3. Check engine light illuminated
  4. Inaccurate fuel level warnings
  5. Engine stalling due to lack of fuel

How to Fix P0464 2018 Chevrolet Silverado

  1. Begin by diagnosing the issue using a scan tool to confirm the P0464 code and assess the fuel level sensor's functionality.
  2. Inspect the fuel level sensor and its wiring for any signs of damage, corrosion, or loose connections. Replace or repair any faulty components.
  3. Clear the DTC from the vehicle's computer system and reset the fuel gauge to ensure accurate readings.
  4. Test drive the vehicle to verify that the issue has been resolved and that the fuel gauge is functioning correctly.
  5. If the problem persists, consult a professional mechanic for further troubleshooting and potential replacement of the fuel level sensor.

Cost to Fix P0464 2018 Chevrolet Silverado

The cost of repairing a P0464 code on a 2018 Chevrolet Silverado can vary depending on the extent of the issue and the parts needed for repair. On average, the cost of replacing a fuel level sensor ranges from $150 to $300, including parts and labor. Additionally, diagnostic fees and labor rates at auto repair shops can impact the overall cost of the repair. It is recommended to obtain quotes from multiple mechanics to ensure a competitive price for resolving this issue.

Tech Notes for P0464 2018 Chevrolet Silverado

A low fuel level can trigger this code. Before replacing any parts, try filling up the fuel tank and erasing the engine code. If the problem persists, it may be necessary to replace the fuel level sensor.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0464 2018 Chevrolet Silverado Code

What does OBDII code P0464 mean on a 2018 Chevrolet Silverado?

P0464 indicates an intermittent issue in the fuel level sensor circuit, which can cause erratic or inaccurate fuel level readings.

What are the common symptoms of code P0464 in a 2018 Silverado?

Symptoms include fluctuating or inaccurate fuel gauge readings, the fuel warning light turning on unexpectedly, and potential loss of fuel level data on the dashboard.

What causes code P0464 in a 2018 Chevrolet Silverado?

Common causes include a faulty fuel level sensor, loose or corroded wiring connections, a damaged fuel pump module, or electrical circuit issues.

Can a bad fuel level sensor trigger P0464?

Yes, a malfunctioning or worn-out fuel level sensor is one of the most common causes of this code.

How do you diagnose P0464 in a Chevrolet Silverado?

Diagnosis involves checking the fuel level sensor’s wiring and connections, testing the sensor for proper operation, and using a scan tool to monitor live fuel level data.

Is it safe to drive with code P0464 active?

While the vehicle may still operate normally, inaccurate fuel level readings can lead to running out of fuel unexpectedly, which can be unsafe.

How do you fix OBDII code P0464 on a 2018 Silverado?

Repairs may include replacing the fuel level sensor, repairing damaged wiring, cleaning corroded connectors, or replacing the fuel pump module if necessary.

Can a loose electrical connection cause P0464?

Yes, loose or damaged wiring connections in the fuel level sensor circuit can cause intermittent signals and trigger this code.

Will clearing the code fix P0464 permanently?

Clearing the code without addressing the root cause will not fix the problem; the code is likely to return until the underlying issue is resolved.

How much does it cost to fix code P0464 on a Chevrolet Silverado?

Repair costs vary but may range from $100 to $500, depending on whether the issue is a simple wiring repair or requires replacing the fuel level sensor or fuel pump module.

Discuss the causes and fixes for P0464 2018 Chevrolet Silverado OBDII Code

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