2019 GMC Sierra 1500 vehicle speed control problems
10 owner complaints filed with NHTSA name the vehicle speed control on the 2019 GMC Sierra 1500 — 2% of all complaints for this model year.
What owners report
“The DFM program in the engine caused the lifters to fail and bend a pushrod which in turn scared the cam shaft. There were no signs leading up to this. It caused the traction control and brake systems to be compromised. I took vehicle into a gm dealer and had it diagnosed.”
filed Feb 20, 2026
“I was driving with my wife about to merge into traffic on the interstate when I had a huge power loss. It was a busy part of the interstate where I could have been ran over. There was a lot of traffic and was fortunate the Semi driver was alert and slowed down. I was not aware of any failures of…”
filed Jun 24, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Vehicle Speed Control problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Sierra 1500 | 2 | 3% |
| 2025 Sierra 1500 | 5 | 5% |
| 2024 Sierra 1500 | 10 | 3% |
| 2023 Sierra 1500 | 9 | 2% |
| 2022 Sierra 1500 | 5 | 1% |
| 2021 Sierra 1500 | 5 | 1% |
| 2020 Sierra 1500 | 10 | 2% |
| 2018 Sierra 1500 | 6 | 2% |
| 2017 Sierra 1500 | 11 | 3% |
| 2016 Sierra 1500 | 4 | 1% |
| 2015 Sierra 1500 | 7 | 1% |
| 2014 Sierra 1500 | 12 | 2% |
Other reported problem areas on the 2019 GMC Sierra 1500
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.