2016 GMC Sierra 2500 fuel/propulsion system problems
10 owner complaints filed with NHTSA name the fuel/propulsion system on the 2016 GMC Sierra 2500 — 17% of all complaints for this model year.
What owners report
“The CP4 pump failed while driving causing vehicle to stall. Upon failure, lost power to steering. Luckily we were on an access road for a rest area and not yet on the interstate. This resulted in a 14.5 thousand repair. No prior warning to pump failure. GM has recently settled a class action…”
filed Jun 19, 2025
“My vehicles High Pressure Fuel Pump failed causing the vehicle to shutoff while driving. In addition, due to the engine shutting down while driving, the power steering quit working causing me to not be able to steer the vehicle. Thank you”
filed Jun 10, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Sierra 2500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Sierra 2500 | 1 | 4% |
| 2024 Sierra 2500 | 3 | 3% |
| 2022 Sierra 2500 | 3 | 7% |
| 2021 Sierra 2500 | 2 | 4% |
| 2020 Sierra 2500 | 1 | 1% |
| 2019 Sierra 2500 | 2 | 6% |
| 2018 Sierra 2500 | 5 | 14% |
| 2017 Sierra 2500 | 2 | 5% |
| 2015 Sierra 2500 | 10 | 11% |
| 2014 Sierra 2500 | 3 | 10% |
| 2013 Sierra 2500 | 7 | 15% |
| 2012 Sierra 2500 | 5 | 17% |
Other reported problem areas on the 2016 GMC Sierra 2500
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.