Hyundai Ioniq 5 Power Train Problems
Owners have filed 251 complaints with NHTSA about power train problems on the Hyundai Ioniq 5 across 4 model years. The 2022 model year has the most (85). The words owners use most often: “iccu failed” (15% of reports).
- 251power train complaints
- —median miles at failure
- 4mention a crash
- 1mention an injury
- 1related recalls
- 28%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.
- Iccu failed: mentioned in 38 of 251 complaints (15%)
- Check power supply: mentioned in 33 of 251 complaints (13%)
- 12V battery: mentioned in 33 of 251 complaints (13%)
- Charging control: mentioned in 16 of 251 complaints (6%)
At what mileage do power train problems happen?
Based on 1 complaint that reported the odometer reading.
How serious are the reports?
Of 251 complaints, 4 mention a crash, 1 a fire, 1 an injury.
Hyundai Ioniq 5 power train complaints by model year
| Model year | Power Train complaints | Share of that year | Median miles |
|---|---|---|---|
| 2025 Ioniq 5 | 57 | 19% | — |
| 2024 Ioniq 5 | 37 | 17% | — |
| 2023 Ioniq 5 | 72 | 19% | — |
| 2022 Ioniq 5 | 85 | 21% | 494 |
When owners reported it
Related recalls (1)
Power train:driveline:driveshaft
Model years: 2023
Problem: Hyundai Motor America (Hyundai) is recalling certain 2023 IONIQ 5, IONIQ 6, and Genesis GV60 vehicles. The rear inner driveshaft may have been improperly heat-treated, allowing it to break under load and resulting in a loss of drive power.
Risk: A loss of drive power increases the risk of a crash.
Fix: Dealers will replace the rear inner driveshaft, free of charge. Owner notification letters were mailed March 29, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 253(H), 017G(G).
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The Integrated Charging Control Unit (ICCU) has failed repeatedly on this vehicle. It has been replaced three times by Haselwood Hyundai dealer since the vehicle was purchased new in 2021. Dates: 9/8/2023, 12/19/2024, 9/30/2025 at approximately 17k, 35k, and 50k miles. Each failure presents the…
I am writing to document my case regarding my leased 2025 Hyundai Ioniq 5 XRT. Vehicle: 2025 Ioniq 5 XRT, VIN [XXX] Lease start / delivery date: Odometer: 4,368 miles Servicing dealer: Stevinson Hyundai, [XXX] Case number: XXX What happened: On Saturday, XXX, while I was driving, the vehicle…
This report is an addendum to report 11762283 that was made yesterday. The vehicle allows driving with the rear liftgate ajar, however under some circumstances it engages the EPB when the vehicle comes to a stop while the gear state is still Drive. The gear state of the car remains in Drive when…
Was driving to vegas, it was 103-107 degrees After fast DC charging drivetrain had issues that when pressing acceleration the car would have almost a loss in power that caused a stuttering movement. If forcefully driven, the error message drivetrain electrical system would pop up. Issue can be…
I started the car and got the warning "check electric vehicle system." The car then lost power. It would only go 27mph with the accelerator pedal pushed all the way to the floor. My safety was at risk because my car was not responding appropriately to driver input. The car is at the dealership as…
Frequently asked questions
Do all Hyundai Ioniq 5s have power train problems?
No. NHTSA has 251 owner complaints about power train for the Hyundai Ioniq 5. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Hyundai Ioniq 5 power train?
Yes: 1 safety recall list power train. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
What do owners say about power train problems on the Hyundai Ioniq 5?
The most frequent phrase is “iccu failed”, in 38 of 251 complaints, followed by “check power supply” (33).
Other Hyundai Ioniq 5 problems
- Electrical System problems (994)
- Fuel/propulsion System problems (275)
- Engine problems (117)
See all Hyundai Ioniq 5 problems.