Hyundai Ioniq 5 Engine Problems
Owners have filed 117 complaints with NHTSA about engine problems on the Hyundai Ioniq 5 across 5 model years. The 2023 model year has the most (38). The words owners use most often: “check electrical” (14% of reports).
- 117engine complaints
- —median miles at failure
- 1mention a crash
- 1mention an injury
- 0related recalls
- 30%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.
- Check electrical: mentioned in 16 of 117 complaints (14%)
- Iccu failed: mentioned in 12 of 117 complaints (10%)
- 12V battery: mentioned in 11 of 117 complaints (9%)
- Power supply: mentioned in 8 of 117 complaints (7%)
At what mileage do engine problems happen?
Based on 3 complaints that reported the odometer reading.
How serious are the reports?
Of 117 complaints, 1 mention a crash, 1 a fire, 1 an injury.
Hyundai Ioniq 5 engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Ioniq 5 | 1 | 4% | — |
| 2025 Ioniq 5 | 20 | 7% | — |
| 2024 Ioniq 5 | 22 | 10% | 14,000 |
| 2023 Ioniq 5 | 38 | 10% | — |
| 2022 Ioniq 5 | 36 | 9% | 65,000 |
When owners reported it
Related recalls (0)
No safety recall lists engine for the 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.
I was driving my vehicle and it suddenly lost all power. I had to stop in an unsafe place on the road and wait to get my car towed. I had previously been to the dealership three times to have recall and software updates done that weâre supposed to fix this issue. Apparently the ICCU to be a…
Full electrical power system failure. Heard a loud pop noise emanating from under the rear seats of the car. The power. Failure lights came on and the car lost power. We were able to get the car to slowly drive back to the garage where it completely shut down and was inoperable from that point on…
I heard a loud popped sound from the back of my car while driving home. The car lost power and eventually died on the street. The war displacy came on to tell em to check electrical system. I originally bought th car from Capitol Huyndai in San Jose on September 2025 and it has 5992 miles. I towed…
Active powertrain failure on my 2022 Ioniq 5 SE, which poses an immediate and severe safety risk. On May 18, 2026, the vehicle suffered a catastrophic loss of power and a complete failure to charge. At Murdock Hyundai of Lindon, technicians diagnosed it with trouble code P1AA600 and recommended a…
The car engine shutdown mid drive. One minute before the complete stop, the car was stalling every 20 sec or so, then the acceleration stop responding to the drive pedal. The car was gliding to a stopping point. The "Engine " warning was on the display. Afterward, the car was towed to the Earnhardt…
Frequently asked questions
Do all Hyundai Ioniq 5s have engine problems?
No. NHTSA has 117 owner complaints about engine 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 engine?
No recall currently lists engine for this vehicle.
What do owners say about engine problems on the Hyundai Ioniq 5?
The most frequent phrase is “check electrical”, in 16 of 117 complaints, followed by “iccu failed” (12).
Other Hyundai Ioniq 5 problems
See all Hyundai Ioniq 5 problems.