2020 Hyundai Tucson electrical system problems
19 owner complaints filed with NHTSA name the electrical system on the 2020 Hyundai Tucson — 11% of all complaints for this model year.
What owners report
“While driving on the expressway my car hit a bump and all the power from the vehicle was lost. I’ve been having issues with my car and have taking it to Hyundai dealership. Everytime I take it they are saying my car is fixed. But it’s not. Now they are saying they didn’t fix it because I didn’t…”
filed Jun 29, 2026
“On December 27, 2025, while driving, the engine suddenly lost power and the vehicle entered limp mode and became undriveable. A warning light appeared and diagnostic code P1326 was later confirmed, indicating engine bearing failure. The vehicle could not be driven safely and required towing to a…”
filed Jan 14, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. This bulletin provides instructions for updating the Engine…
26-01-013H-2 TSB · Service Campaign · issued May 21, 2026Following completion of Service Campaign 9C2 (Theta II Emissions Improvement), certain vehicles may exhibit a brief hesitation or rough shifting condition during cold start operation. If present, this condition is…
9C2 DCS 260518 · Service Campaign · issued May 19, 2026
Electrical System problems in other Tucson years
| Year | Reports | Share |
|---|---|---|
| 2026 Tucson | 7 | 13% |
| 2025 Tucson | 58 | 22% |
| 2024 Tucson | 16 | 18% |
| 2023 Tucson | 25 | 20% |
| 2022 Tucson | 49 | 13% |
| 2021 Tucson | 11 | 15% |
| 2019 Tucson | 46 | 12% |
| 2018 Tucson | 27 | 7% |
| 2017 Tucson | 83 | 8% |
| 2016 Tucson | 213 | 13% |
| 2015 Tucson | 20 | 9% |
| 2014 Tucson | 15 | 8% |
Other reported problem areas on the 2020 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.