2017 GMC Yukon power train problems
48 owner complaints filed with NHTSA name the power train on the 2017 GMC Yukon — 24% of all complaints for this model year.
What owners report
“While traveling at highway speeds, my 2017 GMC Yukon SLE suffered a sudden, catastrophic Active Fuel Management (AFM) valvetrain lifter and camshaft collapse. This caused an immediate and highly dangerous loss of vehicle propulsion in live moving traffic on I-95, creating an extreme physical safety…”
filed Jul 30, 2026
“The 2017 GMC Yukon has serious transmission issues that GM continues to ignore, and it is going to get someone hurt. I was stopped at a red light, and when it turned green, I pressed the gas pedal but the car would not move. I pressed harder, and then it suddenly lurched forward about 30 feet. If…”
filed Apr 8, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Yukon years
| Year | Reports | Share |
|---|---|---|
| 2026 Yukon | 7 | 33% |
| 2025 Yukon | 6 | 12% |
| 2024 Yukon | 12 | 14% |
| 2023 Yukon | 36 | 17% |
| 2022 Yukon | 26 | 16% |
| 2021 Yukon | 48 | 16% |
| 2020 Yukon | 14 | 41% |
| 2019 Yukon | 12 | 23% |
| 2018 Yukon | 18 | 26% |
| 2016 Yukon | 34 | 13% |
| 2015 Yukon | 46 | 9% |
| 2014 Yukon | 3 | 5% |
Other reported problem areas on the 2017 GMC Yukon
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.