2025 Hyundai IONIQ 5 fuel/propulsion system problems
62 owner complaints filed with NHTSA name the fuel/propulsion system on the 2025 Hyundai IONIQ 5 — 22% of all complaints for this model year.
What owners report
“SAFETY DEFECT REPORT: 2025 HYUNDAI IONIQ 5 HIGH-VOLTAGE BATTERY FAILURE On Sunday, July 5, 2026, at approximately 24,000 miles, the vehicle suddenly displayed a critical dashboard safety alert notifying me of an electrical propulsion failure and explicitly instructing me not to drive the vehicle…”
filed Aug 1, 2026
“Systemic failure of the electrical architecture and Integrated Charging Control Unit (ICCU) resulting in a sudden, catastrophic loss of motive power. Over 14 months of ownership, this vehicle has suffered four distinct, electrical and charging failures. On June 6, 2026, the vehicle experienced a…”
filed Jul 18, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Certain 2022 – 2024 model year IONIQ 5, 2024 model year IONIQ 5 Robotaxi, and 2023 – 2025 model year IONIQ 6 vehicles may require a replacement of the Integrated Charging Control Unit (ICCU) and ICCU Fuse. At Hyundai…
Z14 OL · Warranty Program/Extension · issued Jun 25, 2026
Fuel/propulsion System problems in other IONIQ 5 years
| Year | Reports | Share |
|---|---|---|
| 2026 IONIQ 5 | 1 | 5% |
| 2024 IONIQ 5 | 50 | 23% |
| 2023 IONIQ 5 | 67 | 17% |
| 2022 IONIQ 5 | 89 | 22% |
Other reported problem areas on the 2025 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.