2016 Hyundai Elantra electrical system problems
22 owner complaints filed with NHTSA name the electrical system on the 2016 Hyundai Elantra — 8% of all complaints for this model year.
What owners report
“The vehicle's security system malfunctioned immediately after service at Parks Hyundai of Gainesville on 05/27/26 for Recall 256 & Campaign P33. The alarm blares & emergency lights flash while I am driving on public roads. This defect first presented in the dealership parking lot upon pickup. This…”
filed Jun 14, 2026
“No accident has occurred as of yet (for my case). Ongoing issues with Hyundai left brake bulb and center brake bulb burning out due to over-amperage. These two are on their own 10A circuit separate from the 5A circuit for the right brakelight bulb. It appears that these two bulbs are possibly…”
filed Jan 18, 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 Elantra years
| Year | Reports | Share |
|---|---|---|
| 2025 Elantra | 1 | 5% |
| 2024 Elantra | 15 | 29% |
| 2023 Elantra | 22 | 24% |
| 2022 Elantra | 18 | 19% |
| 2021 Elantra | 29 | 23% |
| 2020 Elantra | 25 | 10% |
| 2019 Elantra | 37 | 15% |
| 2018 Elantra | 43 | 15% |
| 2017 Elantra | 111 | 15% |
| 2015 Elantra | 23 | 9% |
| 2014 Elantra | 46 | 12% |
| 2013 Elantra | 155 | 12% |
Other reported problem areas on the 2016 Hyundai Elantra
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.