2025 Hyundai Ioniq 5 Fuel/propulsion System Problems

Source: NHTSA · Updated Sep 19, 2026 · 66 complaints analyzed

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).

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

Peak: 2022, with 90 complaints
2022: 902022902023: 672023672024: 512024512025: 662025662026: 120261

n = 275 complaints · Source: NHTSA

Model yearFuel/propulsion System complaintsShare of that yearMedian miles
2026 Ioniq 514%—
2025 Ioniq 56622%—
2024 Ioniq 55123%—
2023 Ioniq 56717%—
2022 Ioniq 59022%—

When owners reported it

Peak: 2026, with 47 complaints
2025: 192025192026: 47202647

n = 66 complaints · Source: NHTSA

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…

Received Sep 8, 2026 · NHTSA complaint 11762663

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…

Received Sep 4, 2026 · NHTSA complaint 11762153

While driving this EV with cruise control on, the dashboard suddenly showed a message that “Smart Cruise Control conditions not met”. 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…

Received Sep 2, 2026 · NHTSA complaint 11761730
Hyundai Ioniq 5
Atlas White Matte Hyundai IONIQ 5 Long Range Prestige NE1 PE Electric SUV at Hyundai Motorstudio Goyang.. Representative photo; appearance varies by model year. Photo: Damian B Oh, CC BY-SA 4.0, via Wikimedia Commons.

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.