YearToAvoid

2018 Hyundai Elantra Electrical System Problems

NHTSA lists 52 Electrical System complaints for the 2018 Hyundai Elantra, 18% of its 282 total complaints for the year. Median mileage at failure was 12,500. No related recall is listed for this area.

Electrical System complaints
52
18% of 282
Crashes reported
2
Fires reported
3
Injuries reported
1
Median mileage
12,500 mi
Related recalls
0

Typical electrical symptoms owners report

  • Owners report rear brake and tail light wiring that melts or burns out repeatedly, requiring more than one repair.
  • Some describe headlights that fail to illuminate road signs or intersections adequately, especially on rural or suburban roads at night.
  • Several owners report the instrument panel or accelerator entering a fail-safe mode, limiting speed or causing hesitation before returning to normal.
  • A few report phone chargers flickering or malfunctioning through the car's USB or power outlet, with one owner citing a blown phone.
  • Some report a low tire pressure warning triggering falsely, showing a reading far below the tire's actual measured pressure.
  • One owner described a loud pop and smoke from the engine area with the electrical system flashing then losing power, followed by a small fire.

When 2018 Hyundai Elantra electrical complaints were filed

First complaint Jan 7, 2018, latest Jul 17, 2026.

2018 Hyundai Elantra electrical system complaints: complaints filed per month3Jan 2018Jun 2019May 2021Jul 2022Apr 2023Jan 2024Oct 2025Jul 2026
52 complaints filed with NHTSA from Jan 2018 to Jul 2026; peak Oct 2022 (3).

Electrical System recalls for the 2018 Hyundai Elantra

No safety recalls on record for this model year.

Electrical System complaints by Elantra model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 201051 (13%)
  2. 201159 (14%)
  3. 2012140 (21%)
  4. 2013210 (16%)
  5. 201455 (14%)
  6. 201526 (10%)
  7. 201627 (9%)
  8. 2017127 (17%)
  9. 201852 (18%)
  10. 201990 (36%)
  11. 202048 (19%)
  12. 202133 (25%)
  13. 202220 (20%)
  14. 202324 (24%)
  15. 202417 (31%)
  16. 20251 (5%)

Frequently asked questions

How many electrical complaints does NHTSA have for the 2018 Hyundai Elantra?
NHTSA lists 52 Electrical System complaints for the 2018 Elantra, which is 18% of the 282 total complaints filed for that model year.
Is there a recall for the 2018 Hyundai Elantra's electrical system?
No related recall is listed in the data for this problem area.
At what mileage do electrical problems tend to show up?
The median mileage at failure for Electrical System complaints on the 2018 Elantra is 12,500 miles.
Have electrical issues caused crashes or fires on the 2018 Elantra?
NHTSA data for this area shows 2 crashes, 3 fires, and 1 injury associated with the reported complaints.
How does 2018 compare to other Elantra years for electrical complaints?
The 2018 Elantra's electrical complaints made up 18% of its total complaints, lower than the 2019 model year's 36% share but higher than years like 2015 and 2016, which sat at 10% and 9%.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.