2020 Hyundai Santa FE electrical system problems
23 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
“Vehicle experiences severe, intermittent, un-commanded steering inputs from the Lane Keeping Assist (LKA) system at highway speeds (55-70 MPH). The steering wheel violently jerks toward adjacent traffic lanes/shoulders without operator input, lane drift, or warning, requiring immediate high-force…”
filed Jun 14, 2026
“On the morning of February 20 2026 at around 6:35am. I was on my way to work when the engine light started flashing and the speed started to decrease. I was traveling on a major highway in heavy rain with a lot of traffic. I had to put on my hazard lights and quickly pull off the road. The code…”
filed Feb 23, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Following 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 060518 · Service Campaign · issued May 19, 2026
Electrical System problems in other Santa FE years
| Year | Reports | Share |
|---|---|---|
| 2026 Santa FE | 3 | 10% |
| 2025 Santa FE | 26 | 21% |
| 2024 Santa FE | 25 | 18% |
| 2023 Santa FE | 34 | 17% |
| 2022 Santa FE | 30 | 16% |
| 2021 Santa FE | 29 | 18% |
| 2019 Santa FE | 26 | 14% |
| 2018 Santa FE | 9 | 8% |
| 2017 Santa FE | 65 | 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.