2015 Chevrolet Suburban fuel/propulsion system problems
26 owner complaints filed with NHTSA name the fuel/propulsion system on the 2015 Chevrolet Suburban — 6% of all complaints for this model year.
What owners report
“Fuel line leak caused by design flaw in which line plastic fuel feed line (GM part #84200271) is installed too close to the undercarriage, causing it to rub against the frame due to vibration and wear a pinhole. This is known by gm in service bulletin Service Bulletin 17-NA-304. This is a fuel…”
filed Apr 21, 2026
“Replaced lifters 1,3,5,7 and added automatic fuel mgmt system bypass chip after the vehicle went into limp mode ON THE HIGHWAY. Ran for less than 2000 miles and those same lifters failed a second time and had to be replaced AGAIN. The last incident occurred after about 200 miles and had engine…”
filed Dec 1, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Suburban years
| Year | Reports | Share |
|---|---|---|
| 2024 Suburban | 2 | 5% |
| 2023 Suburban | 6 | 5% |
| 2022 Suburban | 11 | 10% |
| 2021 Suburban | 22 | 12% |
| 2020 Suburban | 3 | 7% |
| 2018 Suburban | 3 | 4% |
| 2017 Suburban | 4 | 3% |
| 2016 Suburban | 4 | 2% |
| 2014 Suburban | 2 | 3% |
| 2013 Suburban | 5 | 4% |
| 2012 Suburban | 1 | 1% |
| 2011 Suburban | 4 | 3% |
Other reported problem areas on the 2015 Chevrolet Suburban
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.