Diagnosing and Replacing the Fuel Level Sensor in Your 2010-2016 GMC Sierra 2500 HD
Is your fuel gauge acting erratically? Here’s what you need to know before replacing the fuel level sensor on your Sierra HD.
- A faulty fuel level sensor will cause an inaccurate or stuck fuel gauge and can turn on the check engine light.
- For trucks with dual fuel tanks, check TSB 17-NA-204, as a faulty sensor can cause dangerous overfilling of the front tank.
- Replacement is a difficult job that requires dropping the fuel tank; it is not recommended for beginners.
- ACDelco is the recommended brand for reliability; consider replacing the entire fuel pump module while the tank is down.
Is Your Fuel Gauge Lying? Common Failure Symptoms
When the fuel level sensor in your 2010-2016 GMC Sierra 2500 HD starts to fail, it will give you some obvious signs. The most common issue is an unreliable fuel gauge. You can't trust how much fuel is in the tank, which can be a major problem.
- Erratic Fuel Gauge: The needle may jump from full to half-full to empty in a matter of minutes.
- Gauge Stuck on Full or Empty: The gauge might not move at all, either staying pegged at 'F' even after driving for a hundred miles, or stuck on 'E' right after you fill up.
- Check Engine Light: A failing sensor can trigger the check engine light. Common trouble codes include P0461, P0462, P0463, and P0464. 🎬 Watch: Understanding and fixing common fuel sensor trouble codes.
- Running Out of Fuel Unexpectedly: This is the most serious symptom. If your gauge reads a quarter tank but the sensor has failed, you could run out of fuel and be left stranded.
Known Issue: Dual Fuel Tank TSB
GM issued Technical Service Bulletin (TSB) 17-NA-204 for 2011-2018 Sierra models equipped with dual fuel tanks. A faulty front fuel level sensor can cause the transfer pump to continuously send fuel to the front tank, overfilling it. This can cause the tank to expand and hit the driveshaft, potentially causing a fuel leak, strange noises, and inaccurate gauge readings. If you have a dual-tank truck and experience these issues, this TSB is highly relevant.
Choosing the Right Aftermarket Fuel Level Sensor
When shopping for a new fuel level sensor, you'll find it's usually part of the larger fuel pump module. While you can sometimes buy and replace just the sensor, most mechanics recommend replacing the entire fuel pump module, especially on a high-mileage truck. For this guide, we'll focus on the two main brands offering the sensor itself.
Brand Tiers: ACDelco vs. Dorman
Tier 1: ACDelco (GM Original Equipment)
ACDelco is General Motors' own parts brand. Choosing an ACDelco GM Original Equipment part means you are getting the same component that your truck was built with. For a critical electronic part like a fuel level sensor, this is the safest bet for fit, function, and reliability. Forum members and mechanics consistently recommend using OEM parts for fuel system electronics to avoid future headaches. While they may cost a bit more, their reliability is worth the price.
Tier 2: Dorman
Dorman is a major aftermarket manufacturer that often engineers solutions to common OEM problems. Their parts are widely available and typically more affordable than ACDelco. However, for sensitive electronics, some professional mechanics and vehicle owners report a higher chance of premature failure compared to OEM parts. If budget is your primary concern, Dorman is a viable option, but be aware of the potential trade-off in long-term durability.
Pro Tip: Given the significant labor involved in dropping the fuel tank, spending a little extra on a high-quality ACDelco sensor can save you from having to do the job all over again in a year or two.
Cost to Replace a Fuel Level Sensor on a 2010-2016 Sierra 2500 HD
The cost can vary significantly depending on whether you replace just the sensor or the entire fuel pump module assembly.
| Part / Service | Estimated Cost |
|---|---|
| New Aftermarket Sensor Only (ACDelco, Dorman) | $83.48 - $139.04 |
| New OEM Fuel Pump Module (includes sensor) | $950 - $1,060 |
| Shop Labor | $275 - $405 |
| Total (Sensor Only + Labor) | $358 - $545 |
| Total (Full Module + Labor) | $1,225 - $1,465 |
Frequently Asked Questions
Can I replace just the fuel level sensor?
Yes, the sensor itself is available and can be replaced separately from the fuel pump. However, it is located on the fuel pump module inside the tank. Since dropping the tank is a big job, many owners and shops choose to replace the entire fuel pump module at the same time to prevent another failure down the road.
Is this a difficult DIY job?
Yes, this is an advanced repair. It requires lifting the vehicle, safely draining and dropping the heavy fuel tank, and handling fuel system components. For most owners, this job is best left to a professional mechanic. If you do attempt it, ensure you are in a well-ventilated area and take all necessary safety precautions when working with gasoline.
Do I need to lift the truck bed to replace the sensor?
While some owners of pickup trucks choose to unbolt and lift the truck bed to access the top of the fuel tank, the standard procedure involves dropping the tank from underneath 🎬 Watch: How to replace the fuel pump without dropping the tank. the vehicle. Lifting the bed can sometimes be easier if you have the right equipment, but it is also a major task.
Was there a recall for the fuel level sensor on this truck?
There was a recall for some 2011-2015 3500 HD models with dual fuel tanks for a sensor that could stall and cause the tank to be overfilled. While not specifically for the 2500 HD, a related TSB (17-NA-204) covers the 2500 HD and describes a very similar problem, especially for trucks with dual tanks.
Helpful Videos
Technical Specifications
OEM Part Numbers: 13581915 13585452 SK1358 SK1413
The fuel level sensor is a variable resistor (potentiometer) attached to a float arm. It is typically mounted on the fuel pump module inside the fuel tank. The part is specific to the vehicle's model year, engine, and fuel tank configuration (e.g., single vs. dual tanks).
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.
- GMC Sierra 2500 HD:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Is Your Fuel Gauge Lying? Common Failure Symptoms
- Known Issue: Dual Fuel Tank TSB
- Choosing the Right Aftermarket Fuel Level Sensor
- Brand Tiers: ACDelco vs. Dorman
- Cost to Replace a Fuel Level Sensor on a 2010-2016 Sierra 2500 HD
- Frequently Asked Questions
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