Recall 17V664 covers 35,292 2011-2015 GMC Sierra 3500 and Silverado 3500 trucks for dual-tank fuel overfill. Free repair at any franchised GMC dealer.
GMC is recalling 35,292 2011-2015 Sierra 3500 and Silverado 3500 trucks with dual fuel tanks because the front tank's low fuel sensor can stick, letting the rear tank overfill it. Extra pressure can push the front tank into the driveshaft, causing a fuel leak and fire risk; the dealer repair will be free once available.
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What's wrong?
The dual fuel tank system on the 2011-2015 Sierra 3500 and Silverado 3500 trucks uses a front tank, a rear tank, a transfer pump, and a fuel level sensor. The sensor tells the truck how much fuel is in the front tank, and the pump moves fuel from the rear tank forward when the front tank is low. That transfer has to stop when the front tank is full.
On affected GMC trucks, the front tank sensor can stick in a low reading. When that happens, the transfer pump keeps sending fuel forward after the front tank is already full. The extra fuel overpressurizes the front tank, which can make the tank expand until it contacts the moving drive shaft. That contact can damage the tank and lead to a fuel leak.
Owners can hear a grinding or knocking noise if the expanded front tank touches the drive shaft. That noise is the warning sign to treat the truck as unsafe until a dealer checks the fuel system.
Who's affected?
The recall spans both 3500 pickup lines across the 2011-2015 model years, all tied to the same fuel system component.
| 2011 GMC Sierra 3500 | fuel system |
|---|---|
| 2012 Chevrolet Silverado 3500 | fuel system |
| 2011 Chevrolet Silverado 3500 | fuel system |
| 2013 Chevrolet Silverado 3500 | fuel system |
| 2014 Chevrolet Silverado 3500 | fuel system |
| 2015 GMC Sierra 3500 | fuel system |
| 2014 GMC Sierra 3500 | fuel system |
| 2012 GMC Sierra 3500 | fuel system |
| 2013 GMC Sierra 3500 | fuel system |
| 2015 Chevrolet Silverado 3500 | fuel system |
| Units affected | 35,292 |
| Field incidents | NHTSA has logged no field incidents to date. |
A matching year and model does not guarantee inclusion. Check your VIN to confirm whether your specific truck is included.
What's the safety risk?
An overfilled front fuel tank can build pressure, expand, and contact the driveshaft. That contact can make a grinding or knocking noise, open a hole in the tank, and leak fuel. Fuel near an ignition source increases the risk of a fire. Treat that noise as a reason to call the dealer. Repair will be free at any franchised GMC dealer once available.
What should I do?
- Check your VIN to confirm your 2011-2015 Sierra 3500 or Silverado 3500 is included in this recall.
- Watch for GMC's owner notice or dealer instructions before scheduling the repair.
- Contact a franchised GMC dealer once the repair opens for the free fuel-system service that fixes the front-tank overfill risk.
- Bring the recall notice if GMC has mailed one. If not, reference recall number 17V664 when you call.
- Avoid parking near ignition sources if you smell fuel or see a fuel leak, and contact the dealer before driving again.
What happens at the repair
The known dealer remedy is for a GMC technician to replace the rear tank fuel pump or update the fuel level sensor software. The technician also inspects the front tank and replaces it if needed. Because the remedy status is still listed as under development, the final dealer repair is free once available. If you've already paid for related fuel tank or fuel pump repairs, GMC's standard reimbursement plan covers documented expenses under the plan submitted on May 19, 2017. Bring repair paperwork to the service desk or contact GMC customer service for claim instructions.
| Reimbursement | Reimbursement available |
|---|
Timeline
| October 19, 2017 | NHTSA published the recall |
|---|---|
| October 19, 2017 | Dealer notification began |
| October 19, 2017 | Dealer notification ended |
| December 11, 2017 | Owner notification mailed |
| December 18, 2017 | Interim owner notification (was planned for this date) |
Frequently asked questions
What is recall 17V664?
Recall 17V664 covers 35,292 2011-2015 GMC Sierra 3500 and Silverado 3500 trucks with dual fuel tanks. The front-tank fuel level sensor can stick, letting the rear tank overfill the front tank. GMC dealers will replace the rear tank fuel pump or update the fuel-level sensor software, inspect the front tank, and replace it as needed for free.
What should I do if my 2011-2015 GMC Sierra 3500 or Silverado 3500 is on this recall?
Check your VIN to confirm your specific truck is included in recall 17V664. If it is, contact a franchised GMC dealer and reference recall number 17399. The dealer will handle the fuel-system repair and front-tank inspection for free.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost. For recall 17V664, GMC dealers will replace the rear tank fuel pump or update the fuel-level sensor software, inspect the front tank, and replace the front tank as needed free of charge.
What is the safety risk in recall 17V664?
The safety risk is a fuel leak and fire risk. If the front tank overfills, pressure can make it expand and contact the driveshaft. That contact can create a hole in the tank, and leaking fuel near an ignition source increases fire risk.
What if I bought my Sierra 3500 or Silverado 3500 used?
The free recall repair still applies. Federal recall law follows the vehicle, not the first owner. Check your VIN to confirm whether your specific truck is included, then call a franchised GMC dealer and reference recall number 17399.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/17V664000 |
|---|---|
| GMC customer service | 1-800-222-1020 |
| NHTSA recall # | 17V664 |
| NHTSA recall # (full) | 17V664000 |
Source documents
-
Download Recall Document (PDF) (PDF) - Download Misc. Document (PDF)
- Download Recall Document (PDF) (PDF)
- Download Owner Notification Letter (PDF)
- Download Owner Notice (PDF)
- Download Recall Report (PDF)
- Download Quarterly Report (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 25, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →