The reverse camera does not work
2021 Hyundai Elantra electrical problems
moderate 24 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
When does it fail?
Of the 24 electrical complaints filed for the 2021 Hyundai Elantra, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Electrical accounts for 19% of all owner complaints filed against this vehicle, across 9 categories tracked.
What owners are reporting 3 most recent
When driving at 55MPH with cruise control on, the car suddenly accelerated to 75MPH, this happened on the open road and was able to keep under control. Auto has less than 10,000 miles. I will be contacting Hyundai customer service for a case number on this incident. First indication of a problem was cruise control, auto braking failed iin June of 2023. This follows a replacement of defective…
Odometer Fraud. The contact purchased a 2021 Hyundai Elantra. The contact stated that it was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the mileage was 51,192 and at the time of receiving the vehicle from the dealer it was discovered that the mileage was 50,310.
Common questions
How serious is the electrical problem on the 2021 Hyundai Elantra?
It's a documented issue but not catastrophic. 24 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Based on the 24 complaints filed, electrical issues most often appear around 45,397 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.