2015 Chevrolet Silverado 2500 fuel/propulsion system problems
16 owner complaints filed with NHTSA name the fuel/propulsion system on the 2015 Chevrolet Silverado 2500 — 9% of all complaints for this model year.
What owners report
“My pickup truck has a Duramax diesel engine with a CP4 diesel injection pump. That pump has not failed yet in my truck. However it has been known to fail in numerous other GM vehicles with Duramax engines and when it does fail the engine comes to a complete stop and cannot be restarted. This is a…”
filed Jan 10, 2026
“on [XXX] my 2015 Chevy 2500 crew cab LTZ Duramax with 50,959 miles stopped running going down a large hill, Barely made it off the road coasting into a Fire department parking lot. 2nd failure occurred while driving on a main route in WV. At 66,600 miles [XXX], was almost rear ended because truck…”
filed Jan 2, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Silverado 2500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Silverado 2500 | 2 | 9% |
| 2024 Silverado 2500 | 8 | 6% |
| 2023 Silverado 2500 | 2 | 5% |
| 2022 Silverado 2500 | 2 | 2% |
| 2021 Silverado 2500 | 6 | 7% |
| 2020 Silverado 2500 | 8 | 8% |
| 2019 Silverado 2500 | 10 | 14% |
| 2018 Silverado 2500 | 9 | 17% |
| 2017 Silverado 2500 | 3 | 6% |
| 2016 Silverado 2500 | 8 | 7% |
| 2014 Silverado 2500 | 8 | 20% |
| 2013 Silverado 2500 | 9 | 18% |
Other reported problem areas on the 2015 Chevrolet Silverado 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.