2019 GMC Sierra 1500 structure problems
15 owner complaints filed with NHTSA name the structure on the 2019 GMC Sierra 1500 — 2% of all complaints for this model year.
What owners report
“The lights on the dashboard is indicating that the hood is unlocked and the security system is being tampered with. Hood is closed and it disengage auto start and the alarm goes off every 10 minutes.”
filed Dec 24, 2025
“Rear sliding glass window is leaking water around the exterior frame. This is addressed in TSB 18-NA-383 but not covered under any warranty. My rear seats and carpet are becoming wet. I am concerned about the possibility of mold and an electrical short/fire resulting from water intrusion. There are…”
filed Apr 27, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Structure problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Sierra 1500 | 2 | 3% |
| 2025 Sierra 1500 | 3 | 3% |
| 2024 Sierra 1500 | 23 | 7% |
| 2023 Sierra 1500 | 65 | 15% |
| 2022 Sierra 1500 | 96 | 18% |
| 2021 Sierra 1500 | 11 | 2% |
| 2020 Sierra 1500 | 12 | 3% |
| 2018 Sierra 1500 | 6 | 2% |
| 2017 Sierra 1500 | 8 | 2% |
| 2016 Sierra 1500 | 6 | 2% |
| 2015 Sierra 1500 | 27 | 4% |
| 2014 Sierra 1500 | 31 | 4% |
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.