2023 GMC Sierra 1500 engine and engine cooling problems
21 owner complaints filed with NHTSA name the engine and engine cooling on the 2023 GMC Sierra 1500 — 5% of all complaints for this model year.
What owners report
“The contact owns a 2023 GMC Sierra 1500. The contact stated that while operating the vehicle, there was an engine knock at start-up, and the engine intermittently hesitated and skipped. The vehicle was taken to the local dealer, who performed a PICO test on the engine, and the engine passed. Later…”
filed Jul 10, 2026
“The contact owns a 2023 GMC Sierra 1500. The contact stated that while driving uphill, the vehicle unexpectedly lost motive power. There was no warning light illuminated. The vehicle failed to restart and was towed to the dealer, where it was diagnosed, and determined that the engine block had…”
filed Jan 28, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Connecting rod and/or crankshaft engine components may have manufacturing defects that…Campaign 25V274000 · Apr 24, 2025
Engine and Engine Cooling problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Sierra 1500 | 3 | 3% |
| 2024 Sierra 1500 | 30 | 9% |
| 2022 Sierra 1500 | 26 | 5% |
| 2021 Sierra 1500 | 46 | 9% |
| 2020 Sierra 1500 | 18 | 4% |
| 2019 Sierra 1500 | 23 | 4% |
| 2018 Sierra 1500 | 6 | 2% |
| 2017 Sierra 1500 | 2 | 1% |
| 2016 Sierra 1500 | 3 | 1% |
| 2015 Sierra 1500 | 1 | 0% |
| 2014 Sierra 1500 | 5 | 1% |
| 2012 Sierra 1500 | 1 | 1% |
Other reported problem areas on the 2023 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.