2025 Hyundai Ioniq 5 Fuel/propulsion System Problems
Owners have filed 66 complaints with NHTSA about fuel/propulsion system problems on the 2025 Hyundai Ioniq 5, 22% of all complaints for this model year. The words owners use most often: “loud pop” (21% of reports).
- 66fuel/propulsion system complaints
- —median miles at failure
- 0mention a crash
- 0mention an injury
- 0related recalls
- 18%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.
- Loud pop: mentioned in 14 of 66 complaints (21%)
- Iccu failed: mentioned in 9 of 66 complaints (14%)
- Integrated charging: mentioned in 7 of 66 complaints (11%)
- Check power supply: mentioned in 7 of 66 complaints (11%)
At what mileage do fuel/propulsion system problems happen?
How serious are the reports?
None of the 66 complaints report a crash, fire or 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 2025 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.
On 8/30 my vehicle experienced a power loss on a highway (reported here separately). I took the car to the dealership and they could not replicate the error and gave the vehicle back to me on 9/4. Later that day I had to drive 2 hours north to a wedding in the mountains. At 9:30pm my vehicle…
Driving home near my apartment, I had to join a busy highway from a full stop. I found a small gap and tried to accelerate to quickly merge into traffic, when my car made a high pitched alert noise and noticably did not accelerate beyond about 25 miles per hour on a 45-50mph highway with heavy…
While driving this EV with cruise control on, the dashboard suddenly showed a message that âSmart Cruise Control conditions not metâ. Attempting to re-engage the cruise control did not work and then the vehicle suddenly lost all propulsion (pressing the accelerator did nothing). The car quickly…

Frequently asked questions
Do all 2025 Hyundai Ioniq 5s have fuel/propulsion system problems?
No. NHTSA has 66 owner complaints about fuel/propulsion system for the 2025 Hyundai Ioniq 5 (22% of the 297 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 2025 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 2025 Hyundai Ioniq 5?
The most frequent phrase is “loud pop”, in 14 of 66 complaints, followed by “iccu failed” (9).
Other 2025 Hyundai Ioniq 5 problems
See all 2025 Hyundai Ioniq 5 problems or fuel/propulsion system problems across all Ioniq 5 years.