YearToAvoid

2018 Hyundai Tucson Electrical System Problems

NHTSA lists 38 Electrical System complaints for the 2018 Hyundai Tucson, 10% of that year's 396 total complaints. The median mileage at failure was 27,500 miles, with 3 crashes and 2 injuries linked to this area, but no related recall is listed.

Electrical System complaints
38
10% of 396
Crashes reported
3
Fires reported
0
Injuries reported
2
Median mileage
27,500 mi
Related recalls
0

Typical electrical symptoms owners report

  • Headlights fail to illuminate the road properly at night, with owners describing beams that only reach a short distance ahead before going dark.
  • High-intensity discharge headlights washed out or created glare that temporarily blinded drivers, especially around highway signs and curves.
  • The vehicle lost electrical power completely while driving, including one case where the car went dead on a highway and was later traced to a bad ground wire.
  • Owners report rodents chewing through electrical wiring and insulation under the hood, triggering the engine light and requiring wiring repairs.
  • Headlights intermittently failed to function at speed, forcing drivers to switch to high beams with no dashboard warning indicators lit.

When 2018 Hyundai Tucson electrical complaints were filed

First complaint Sep 28, 2018, latest Jul 7, 2026.

2018 Hyundai Tucson electrical system complaints: complaints filed per month3Sep 2018May 2020Feb 2021Mar 2022Jun 2023Jan 2025Feb 2026
38 complaints filed with NHTSA from Sep 2018 to Jul 2026; peak Apr 2024 (3).

Electrical System recalls for the 2018 Hyundai Tucson

No safety recalls on record for this model year.

Electrical System complaints by Tucson model year

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

  1. 200540 (22%)
  2. 200624 (18%)
  3. 20079 (14%)
  4. 20085 (12%)
  5. 20092 (11%)
  6. 20108 (14%)
  7. 201113 (10%)
  8. 201219 (7%)
  9. 201322 (8%)
  10. 201417 (8%)
  11. 201522 (10%)
  12. 2016235 (15%)
  13. 201793 (9%)
  14. 201838 (10%)
  15. 201950 (13%)
  16. 202022 (12%)
  17. 202111 (14%)
  18. 202259 (15%)
  19. 202330 (23%)
  20. 202420 (21%)
  21. 202574 (26%)

Frequently asked questions

How many electrical complaints does NHTSA have for the 2018 Hyundai Tucson?
NHTSA lists 38 Electrical System complaints for the 2018 Tucson, which is 10% of the 396 total complaints filed for that model year.
Is there a recall for the 2018 Hyundai Tucson electrical system?
No related recall is listed in NHTSA data for this problem area on the 2018 Tucson.
At what mileage do 2018 Tucson electrical problems typically show up?
The median mileage at failure among reported electrical complaints is 27,500 miles.
Have electrical problems caused crashes or injuries in the 2018 Tucson?
NHTSA data links 3 crashes and 2 injuries to Electrical System complaints on the 2018 Tucson, with no fires reported.

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.