2019 GMC Yukon XL power train problems
15 owner complaints filed with NHTSA name the power train on the 2019 GMC Yukon XL — 22% of all complaints for this model year.
What owners report
“Vehicle started showing a po308 code. Called sewell gmc In midland where I purchased the vehical they were 2 months out on diagnostic services. So I took it to another shop. They ran a camera into the problem cylinder and for scaring on the walls. They said it was due to the afm system and the…”
filed Aug 25, 2026
“The contact owns a 2019 GMC Yukon XL. The contact stated that on several occasions while stopped and attempting to accelerate, the vehicle reversed inadvertently and then jerked forward to accelerate. The contact added that the battery was drained but the failure was not the most important to…”
filed May 13, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- A component missing from the drivetrain transfer case may cause the front and/or rear…Campaign 26V289000 · May 7, 2026
Power Train problems in other Yukon XL years
| Year | Reports | Share |
|---|---|---|
| 2026 Yukon XL | 1 | 3% |
| 2025 Yukon XL | 2 | 7% |
| 2024 Yukon XL | 11 | 16% |
| 2023 Yukon XL | 38 | 18% |
| 2022 Yukon XL | 30 | 18% |
| 2021 Yukon XL | 47 | 21% |
| 2020 Yukon XL | 12 | 26% |
| 2018 Yukon XL | 8 | 15% |
| 2017 Yukon XL | 36 | 24% |
| 2016 Yukon XL | 33 | 17% |
| 2015 Yukon XL | 35 | 11% |
| 2011 Yukon XL | 4 | 9% |
Other reported problem areas on the 2019 GMC Yukon XL
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.