2019 GMC Yukon XL engine problems
34 owner complaints filed with NHTSA name the engine on the 2019 GMC Yukon XL — 51% 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 while driving at an undisclosed speed and coming to a stop at a stop sign, the vehicle started shaking violently, with an unknown flashing warning light illuminated on the instrument panel. The vehicle was towed to a dealer and was…”
filed Jul 15, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Yukon XL years
| Year | Reports | Share |
|---|---|---|
| 2026 Yukon XL | 20 | 63% |
| 2025 Yukon XL | 16 | 59% |
| 2024 Yukon XL | 53 | 76% |
| 2023 Yukon XL | 142 | 67% |
| 2022 Yukon XL | 108 | 66% |
| 2021 Yukon XL | 135 | 61% |
| 2020 Yukon XL | 24 | 52% |
| 2018 Yukon XL | 14 | 26% |
| 2017 Yukon XL | 26 | 18% |
| 2016 Yukon XL | 26 | 13% |
| 2015 Yukon XL | 26 | 8% |
| 2013 Yukon XL | 1 | 5% |
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.