Guide to the 2015-2022 Chevrolet Silverado 1500 Fuel Level Sensor
If your Silverado's fuel gauge is unreliable, this guide explains what's wrong and how to fix it.
- A bad fuel level sensor will cause an erratic or stuck fuel gauge and can trigger the check engine light.
- The sensor is part of the fuel pump module, making replacement a labor-intensive job that requires dropping the fuel tank or lifting the bed.
- Due to the high labor cost, consider replacing the entire fuel pump module, especially on a high-mileage Silverado.
- ACDelco is the OEM-grade choice for a direct replacement, while Standard Ignition offers a reliable, quality alternative.
Symptoms of a Failing Fuel Level Sensor
When the fuel level sensor in your 2015-2022 Silverado 1500 starts to fail, the signs are usually obvious and directly related to the fuel gauge on your dashboard. Ignoring them can leave you stranded.
- Inaccurate or Erratic Fuel Gauge: The most common symptom is a fuel gauge that moves randomly, jumping from full to half-empty 🎬 Watch: Diagnosing an erratic fuel gauge on a Silverado and back again.
- Gauge Stuck on Full or Empty: The needle might stay pegged at "F" even after driving for many miles, or it might stay on "E" right after you've filled the tank. This is often caused by a worn-out resistor or a stuck float arm inside the tank.
- Check Engine Light: A faulty sensor can trigger the Check Engine Light. When you use a code scanner, you might see codes like P0461, P0462, or P0463, which all point to a problem in the fuel level sensor circuit.
- Running Out of Gas Unexpectedly: This is the most serious consequence. If the gauge reads incorrectly, you might think you have more fuel than you do, leading to your truck stalling.
Choosing the Right Aftermarket Fuel Level Sensor
For the 2015-2022 Silverado 1500, the fuel level sensor is typically part of the larger fuel pump module. While some mechanics will replace the entire module, it is often possible to replace just the sensor itself. When shopping for a replacement, you'll encounter two main brands: ACDelco and Standard Ignition (Standard Motor Products).
Brand Quality Comparison
| Brand Tier | Our Brands | Description |
|---|---|---|
| OEM-Grade Aftermarket | ACDelco | ACDelco is the original equipment (OE) parts brand for General Motors. Choosing an ACDelco sensor is the closest you can get to buying the part from a Chevrolet dealership. It is manufactured to the same specifications for fit and function as the original part that came in your truck. This is often the preferred choice for owners who want maximum reliability and a perfect fit. |
| Quality Aftermarket | Standard Ignition (SMP) | Standard Motor Products is a well-respected aftermarket manufacturer known for producing reliable parts. Their components are designed to be a direct replacement for the original and offer a dependable, cost-effective alternative to the OEM part. They are a trusted choice in many independent repair shops. |
Known Issues, Recalls, and TSBs
While searches were conducted, no widespread recalls or Technical Service Bulletins (TSBs) were found specifically for fuel level sensor failure on the 2015-2022 Chevrolet Silverado 1500. There was a recall (NHTSA 17V-664) for 2011-2015 Silverado 3500 HD models with dual gas tanks for a sensor issue that could cause the tank to overfill, but this does not apply to the typical 1500 model. Another recall for 2014 models involved an incorrect fuel pump pressure regulator, not the level sensor itself. Always check for recalls using your vehicle's VIN on the NHTSA website.
Replacement Cost
Replacing the fuel level sensor involves significant labor because the fuel tank must be removed or the truck bed lifted to access 🎬 Watch: How to replace the pump using the bed lift method the fuel pump module. This is not a simple job.
| Part/Service | Estimated Cost |
|---|---|
| New Aftermarket Fuel Level Sensor | $56 - $190 |
| New OEM Fuel Level Sensor | $33 - $100 |
| Shop Labor | $227 - $333 |
| Total Professional Replacement | $900 - $1,645+ (often includes full pump module) |
Pro Tip: Replace the Whole Module?
Since accessing the sensor is labor-intensive, many technicians recommend replacing the entire fuel pump module while the tank is down, especially on higher-mileage trucks. The fuel pump itself is a wear item, and replacing it at the same time as the sensor can save you from having to pay for the same difficult labor charge again in the near future.
Frequently Asked Questions (FAQ)
Can I replace just the fuel level sensor, or do I need the whole fuel pump assembly?
Yes, it is often possible to purchase and replace only the fuel level sensor, which clips onto the fuel pump module. However, given the high labor cost to access the part, many owners and shops choose to replace the entire fuel pump module at the same time as a preventative measure.
Is this a DIY job?
Replacing the fuel level sensor is considered a difficult job for a DIY mechanic. It requires either lifting the truck bed or safely dropping the fuel tank 🎬 See this walkthrough on how to replace the fuel pump assembly, which can be heavy and dangerous if it contains fuel. You will also need special tools to disconnect fuel lines and remove the lock ring. This job is best left to experienced mechanics unless you have the proper equipment and knowledge.
Why is my fuel gauge still wrong after replacing the sensor?
If a new sensor doesn't fix the problem, the issue could be with the wiring between the tank and the dashboard, the instrument cluster (the gauge itself), or a bad ground connection. A technician can perform electrical tests to trace the source of the fault.
Are there any recalls for the fuel gauge on my Silverado?
There are no major recalls specifically for fuel level sensor failure on the 2015-2022 Silverado 1500. Past recalls have affected older or heavy-duty models with different fuel systems. You should always verify any recalls for your specific vehicle using its VIN on the NHTSA website.
Helpful Videos
Technical Specifications
OEM Part Numbers: 84715868 84505349 84505355 84715866 13582488
The fuel level sensor is a variable resistor (potentiometer) attached to a float arm. It is located inside the fuel tank and integrated with the fuel pump module. The sensor's resistance changes as the fuel level moves the float, sending a corresponding voltage signal to the instrument cluster.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Chevrolet Silverado 1500: