2020 Hyundai Santa FE electrical system problems
25 owner complaints filed with NHTSA name the electrical system on the 2020 Hyundai Santa FE — 12% of all complaints for this model year.
What owners report
“The multifunction/turn signal switch in my Hyundai has failed and causes the left turn signal to operate intermittently. While driving, I am unable to reliably activate the left turn signal when making a left turn or changing lanes. The signal may fail to engage when the turn signal lever is…”
filed Aug 14, 2026
“I went to the store, came home , parked and turned off the car. Went to go outside about 10 minutes ,maybe. Black smoke coming from right front. By the time i grabbed the keys and fire extinguisher there were flames coming from the engine compartment”
filed Aug 12, 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, 2026
Electrical System problems in other Santa FE years
| Year | Reports | Share |
|---|---|---|
| 2026 Santa FE | 4 | 11% |
| 2025 Santa FE | 28 | 21% |
| 2024 Santa FE | 28 | 19% |
| 2023 Santa FE | 36 | 17% |
| 2022 Santa FE | 31 | 16% |
| 2021 Santa FE | 29 | 17% |
| 2019 Santa FE | 26 | 13% |
| 2018 Santa FE | 9 | 8% |
| 2017 Santa FE | 67 | 7% |
| 2016 Santa FE | 11 | 5% |
| 2015 Santa FE | 20 | 8% |
| 2014 Santa FE | 49 | 10% |
Other reported problem areas on the 2020 Hyundai Santa FE
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.