2018 Hyundai Tucson power train problems
100 owner complaints filed with NHTSA name the power train on the 2018 Hyundai Tucson — 26% of all complaints for this model year.
What owners report
“While driving my 2018 Hyundai Tucson Limited 1.6L Turbo with the 7-speed EcoShift dual clutch transmission (DCT), the vehicle has repeatedly failed to engage and hold gears, resulting in loss of motive power in traffic. Diagnostic scanning retrieved codes P074B (Unable to Engage Gear 3), P074B71…”
filed Jul 7, 2026
“January 9, 2026, driver was on I25, when driver heard a loud thud and the RPMs kept rising but the vehicle would not accelerate. Was very dangerous and barely avoided a collision with other drivers on the road. Barely got it home and shut it off. Tried to drive again but would not get out of…”
filed Jun 17, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Tucson years
| Year | Reports | Share |
|---|---|---|
| 2026 Tucson | 1 | 2% |
| 2025 Tucson | 15 | 6% |
| 2024 Tucson | 3 | 3% |
| 2023 Tucson | 14 | 11% |
| 2022 Tucson | 62 | 17% |
| 2021 Tucson | 7 | 9% |
| 2020 Tucson | 9 | 5% |
| 2019 Tucson | 40 | 11% |
| 2017 Tucson | 289 | 27% |
| 2016 Tucson | 516 | 32% |
| 2015 Tucson | 20 | 9% |
| 2014 Tucson | 11 | 6% |
Other reported problem areas on the 2018 Hyundai Tucson
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.