2014 Hyundai Sonata electrical system problems
135 owner complaints filed with NHTSA name the electrical system on the 2014 Hyundai Sonata — 18% of all complaints for this model year.
What owners report
“I was driving my 2014 hyundai sonata that I only had for 3 months when it just quit on me. I pulled over and seen when white smoke was coming from the wires.”
filed Jun 29, 2026
“Odometer Fraud. The contact owns a 2014 Hyundai Sonata. The contact purchased the vehicle on April 28, 2025, with 28,974 miles from a dealer. On January 20, 2026, while attempting to start the vehicle after being parked for a while, the vehicle lost power and failed to start. The contact walked to…”
filed Feb 17, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
In response to this trend, we engineered a software upgrade that addresses the social media theft method and made it available to owners of eligible models free of charge at authorized Hyundai dealers since early 2023…
P33 OL · Other · issued Dec 19, 2025Upon customer's request ONLY, the Technical Service Bulletin (TSB) 25-01-089H provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti-theft decals on the front…
25-01-089H DCS · Other · issued Dec 15, 2025In addition to the Anti-Theft software provided under Service Campaign 993 (TSB 24-01-009H-1), a zinc reinforced ignition cylinder protector hardware upgrade is being made available to customers upon request. This…
25-01-089H DN · Other · issued Dec 15, 2025This bulletin provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti-theft decals on the front windows.
25-01-089H TSB · Other · issued Dec 15, 2025
Electrical System problems in other Sonata years
| Year | Reports | Share |
|---|---|---|
| 2024 Sonata | 17 | 40% |
| 2023 Sonata | 12 | 14% |
| 2022 Sonata | 15 | 16% |
| 2021 Sonata | 16 | 13% |
| 2020 Sonata | 35 | 21% |
| 2019 Sonata | 12 | 8% |
| 2018 Sonata | 60 | 16% |
| 2017 Sonata | 65 | 9% |
| 2016 Sonata | 88 | 12% |
| 2015 Sonata | 166 | 15% |
| 2013 Sonata | 260 | 14% |
| 2012 Sonata | 234 | 15% |
Other reported problem areas on the 2014 Hyundai Sonata
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.