Complaint 2208219
2023 HYUNDAI IONIQ 5 • FUEL/PROPULSION SYSTEM • incident May 14, 2026
- Complaint ID
- 2208219
- Make
- HYUNDAI
- Model
- IONIQ 5
- Model Year
- 2023
- Component
- FUEL/PROPULSION SYSTEM
- Incident Date
- May 14, 2026
- Date Received
- May 20, 2026
- Data As Of
- Jul 1, 2026
Complaint Summary
FUEL/PROPULSION SYSTEM
Owner Narrative
The Integrated Charging Control Unit (ICCU) failed on my 2023 Hyundai Ioniq 5. The vehicle stopped charging prematurely overnight via AC Level 2 charging and then refused to charge again at all. The ICCU is responsible for maintaining the 12V battery by topping it up during normal operation. No warning or check engine light came on, I was only made aware when I attempted L2 charging and the car would refuse to take the charge. I understand that with a failed ICCU, if I'm unaware of the failure (e.g., relies solely on DC fast charging which bypasses the ICCU), the 12V battery can deplete without warning while the vehicle is in motion, potentially causing sudden loss of vehicle systems including power steering, brakes, and other safety-critical electronics. The vehicle was parked at the time charging failure was discovered. No injuries occurred.
Owner-submitted narrative on file with NHTSA. Complaint narratives are self-reported and have not been verified.
Related
Data sources & freshness
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Vehicle recall campaigns, defect investigations, and consumer safety complaints (SCRS).
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