2024 Hyundai IONIQ 5 fuel/propulsion system problems
51 owner complaints filed with NHTSA name the fuel/propulsion system on the 2024 Hyundai IONIQ 5 — 23% of all complaints for this model year.
What owners report
“Failure of the iccu. Needed complete replacement under warranty. Unable to charge via any AC charger. The iccu had already been repaired under an existing recall.”
filed Aug 21, 2026
“This is an EV . We use the regenerative braking to slow down. This car has both a front and rear dash cam. The car is about two and a half years old and has about 20,800 miles. We were approaching a red traffic light with several vehicles stopped in front of us. My partner was driving and had…”
filed Jun 19, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other IONIQ 5 years
| Year | Reports | Share |
|---|---|---|
| 2026 IONIQ 5 | 1 | 4% |
| 2025 IONIQ 5 | 66 | 22% |
| 2023 IONIQ 5 | 67 | 17% |
| 2022 IONIQ 5 | 89 | 22% |
Other reported problem areas on the 2024 Hyundai IONIQ 5
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.