2023 Hyundai IONIQ 5 power train problems
72 owner complaints filed with NHTSA name the power train on the 2023 Hyundai IONIQ 5 — 19% of all complaints for this model year.
What owners report
“I have a 2023 Hyundai Ioniq 5 Limited and had the ICCU "popped" (failed) which took about two weeks to replace. This time we were lucky that in happened at our home but had we been driving the car would it would have completed died. We regularly drive from from [XXX] to [XXX] were there are large…”
filed Jun 28, 2026
“Car indicated 12v battery was critically low and that I should stop safely. I was just starting it in a parking lot. This is a classic ICCU failure and the car is up to date on all recall updates. The car requires manual key unlocking for outside access at this point, and the rear hatch is only…”
filed May 22, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Rear inner driveshaft may have been improperly heat-treated, allowing it to break under…Campaign 24V065000 · Feb 1, 2024
Power Train problems in other IONIQ 5 years
| Year | Reports | Share |
|---|---|---|
| 2025 IONIQ 5 | 55 | 20% |
| 2024 IONIQ 5 | 36 | 17% |
| 2022 IONIQ 5 | 83 | 21% |
Other reported problem areas on the 2023 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.