2021 Hyundai Elantra electrical system problems
30 owner complaints filed with NHTSA name the electrical system on the 2021 Hyundai Elantra — 23% of all complaints for this model year.
What owners report
“Vehicle was serviced to remediate Recall 271- backup camera replacement in January, 2025. In June 2026, vehicle is exhibiting the same issue. Rear camera is non functional in the following ways: 1. Vehicle is shifted to reverse, backup camera does not function; 2. Vehicle is in park backup camera…”
filed Aug 12, 2026
“Door Lock Actuator, the door latch is stuck on unlock and it won’t close or lock when the lock button is pressed on key fob.”
filed Jun 22, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing and, if necessary, replace the starter…
26-EE-003H TSB · Service Bulletin/Repair Instructions · issued Apr 18, 2026In 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 | 28% |
| 2023 Elantra | 23 | 23% |
| 2022 Elantra | 19 | 19% |
| 2020 Elantra | 27 | 11% |
| 2019 Elantra | 37 | 15% |
| 2018 Elantra | 43 | 15% |
| 2017 Elantra | 111 | 14% |
| 2016 Elantra | 22 | 8% |
| 2015 Elantra | 23 | 9% |
| 2014 Elantra | 47 | 12% |
| 2013 Elantra | 155 | 12% |
Other reported problem areas on the 2021 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.