2024 Hyundai Ioniq 5 Electrical System Problems
Owners have filed 177 complaints with NHTSA about electrical system problems on the 2024 Hyundai Ioniq 5, 79% of all complaints for this model year. Half of the reports with a mileage happened before 10,120 miles. The words owners use most often: “iccu failed” (16% of reports).
- 177electrical system complaints
- 10,120median miles at failure
- 2mention a crash
- 0mention an injury
- 3related recalls
- 22%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 29 of 177 complaints (16%)
- Check electrical: mentioned in 25 of 177 complaints (14%)
- 12V battery: mentioned in 24 of 177 complaints (14%)
- Charging control: mentioned in 16 of 177 complaints (9%)
At what mileage do electrical system problems happen?
Based on 4 complaints that reported the odometer reading.
How serious are the reports?
Of 177 complaints, 2 mention a crash.
Hyundai Ioniq 5 electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Ioniq 5 | 11 | 44% | 160 |
| 2025 Ioniq 5 | 226 | 76% | 8,000 |
| 2024 Ioniq 5 | 177 | 79% | 10,120 |
| 2023 Ioniq 5 | 273 | 70% | 16,154 |
| 2022 Ioniq 5 | 307 | 75% | 21,500 |
When owners reported it
Related recalls (3)
Electrical system:propulsion system:traction batteryPark outside
Problem: Hyundai Motor America (Hyundai) is recalling certain 2023-2024 Ioniq 5 vehicles. The high voltage battery cells may contain misaligned electrodes, which can lead to a fire while parked or driving.
Risk: A fire increases the risk of injury.
Fix: Owners are advised to park outside and away from structures and limit their charge to a maximum of 80% until the recall repair is complete. Dealers will replace the high voltage battery system assembly, free of charge. Owner notification letters are expected to be mailed August 31, 2026. Owners may contact Hyundai's customer service at 855-371-9460. Hyundai's number for this recall is 305. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on July 3, 2026.
Electrical system:propulsion system:charging:module:software; electrical system:12v/24v/48v battery
Problem: Hyundai Motor America (Hyundai) is recalling certain 2022-2024 IONIQ 5, 2023-2025 IONIQ 6, Genesis GV60, Genesis GV70 "Electrified," and Genesis G80 "Electrified" vehicles. The Integrated Charging Control Unit (ICCU) may become damaged and stop charging the 12-volt battery, which can result in a loss of drive power.
Risk: A loss of drive power increases the risk of a crash.
Fix: Dealers will inspect and replace the ICCU and its fuse, as necessary. In addition, dealers will update the ICCU software. All repairs will be performed free of charge. Owner notification letters were mailed December 20, 2024. Owners may contact Hyundai customer service at 1-855-371-9460 or Genesis customer service at 1-844-340-9741. Hyundai's numbers for this recall are 272 (Hyundai) and 025G (Genesis). This recall expands and replaces previous recall number 24V-204. Vehicles previously repaired under recall 24V-204 will need to have the new remedy completed.
Electrical system:12v/24v/48v battery; electrical system:propulsion system:charging:module:software
Problem: Hyundai Motor America (Hyundai) is recalling certain 2022-2024 IONIQ 5, 2023-2024 IONIQ 6, Genesis GV60, Genesis GV70 "Electrified," and Genesis G80 "Electrified" vehicles. The Integrated Charging Control Unit (ICCU) may become damaged and stop charging the 12-Volt battery, which can result in a loss of drive power.
Risk: A loss of drive power increases the risk of a crash.
Fix: This recall is replaced by NHTSA recall number 24V-868. Vehicles already repaired under this recall will need to have the new remedy completed. Dealers will inspect and replace the ICCU and its fuse, as necessary. In addition, dealers will update the ICCU software. All repairs will be performed free of charge. Owner notification letters were mailed April 22, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 257/021G.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
My partner drove it towards location about 1 mile away. Partner had driven it about 3 miles each way just a few hours earlier. Also drove it about 5 hours earlier in the morning, then I drove it about 10 miles. I charged it at home L2 (6.8kW) successfully hours before partner drove it and…
Vehicle stopped responding at freeway speeds. Pedals didnât do anything. Slowly pulled over and off freeway powered off car and back on again. Was able to continue driving home. Almost got stuck in the middle of the freeway
After car has been parked, when trying to start car , car turns on briefly saying 12 v battery low come to safe stop. Then car dies. Car isnât in motion since itâs been parked. First time it happened I needed a tow truck and the tow truck needed to jump my battery. Since then battery keeps…
Frequently asked questions
Do all 2024 Hyundai Ioniq 5s have electrical system problems?
No. NHTSA has 177 owner complaints about electrical system for the 2024 Hyundai Ioniq 5 (79% of the 224 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2024 Hyundai Ioniq 5 electrical system?
Yes: 3 safety recalls list electrical system. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
At what mileage do electrical system problems start?
The median reported mileage is 10,120 miles: half of the reports with a mileage came before that.
What do owners say about electrical system problems on the 2024 Hyundai Ioniq 5?
The most frequent phrase is “iccu failed”, in 29 of 177 complaints, followed by “check electrical” (25).
Other 2024 Hyundai Ioniq 5 problems
See all 2024 Hyundai Ioniq 5 problems or electrical system problems across all Ioniq 5 years.