2023 Hyundai Ioniq 5 Fuel/propulsion System Problems
Owners have filed 67 complaints with NHTSA about fuel/propulsion system problems on the 2023 Hyundai Ioniq 5, 17% of all complaints for this model year. The words owners use most often: “check electrical” (22% of reports).
- 67fuel/propulsion system complaints
- —median miles at failure
- 2mention a crash
- 2mention an injury
- 0related recalls
- 37%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Check electrical: mentioned in 15 of 67 complaints (22%)
- Iccu failed: mentioned in 11 of 67 complaints (16%)
- Power supply: mentioned in 8 of 67 complaints (12%)
- 12V battery: mentioned in 7 of 67 complaints (10%)
At what mileage do fuel/propulsion system problems happen?
How serious are the reports?
Of 67 complaints, 2 mention a crash, 2 a fire, 2 an injury.
Hyundai Ioniq 5 fuel/propulsion system complaints by model year
| Model year | Fuel/propulsion System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Ioniq 5 | 1 | 4% | — |
| 2025 Ioniq 5 | 66 | 22% | — |
| 2024 Ioniq 5 | 51 | 23% | — |
| 2023 Ioniq 5 | 67 | 17% | — |
| 2022 Ioniq 5 | 90 | 22% | — |
When owners reported it
Related recalls (0)
No safety recall lists fuel/propulsion system for the 2023 Hyundai Ioniq 5. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
We are reporting a suspected thermal runaway incident involving our recently purchased used 2023 Hyundai Ioniq 5 and have significant concerns regarding the vehicle's safety. **Vehicle Information** * Purchased XXX, 36,662 miles * Clean inspection and no accidents per Carfax **Incident Timeline â…
1. What component failed, and is it available for inspection? The Integrated Charging Control Unit (ICCU) failed. The vehicle is currently at the dealer's service center, so the failed component is available for inspection upon request. 2. How was your safety or others' safety put at risk? After…
OnXXX, as we approached what I call the 6 oâclock position of a round-about in [XXX], we had braked almost to a full stop (0-5 mph) to wait on the car ahead of us to enter the round-about when we felt increasing movement. Despite braking, to wait on that car, our car with increasing speed started…
Frequently asked questions
Do all 2023 Hyundai Ioniq 5s have fuel/propulsion system problems?
No. NHTSA has 67 owner complaints about fuel/propulsion system for the 2023 Hyundai Ioniq 5 (17% of the 388 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2023 Hyundai Ioniq 5 fuel/propulsion system?
No recall currently lists fuel/propulsion system for this vehicle.
What do owners say about fuel/propulsion system problems on the 2023 Hyundai Ioniq 5?
The most frequent phrase is “check electrical”, in 15 of 67 complaints, followed by “iccu failed” (11).
Other 2023 Hyundai Ioniq 5 problems
See all 2023 Hyundai Ioniq 5 problems or fuel/propulsion system problems across all Ioniq 5 years.