The issue affects the 2022–2024 Hyundai IONIQ 5 and 2023–2025 Hyundai IONIQ 6, both built on the automaker’s E-GMP platform. Unlike traditional cars that use an alternator, modern EVs rely on the ICCU’s DC-to-DC converter to keep the 12-volt battery charged. With this recall, Hyundai has a chance to show how it handles one of the most serious challenges facing its electric future. Hyundai IONIQ 5 & IONIQ 6 ICCU Recall: Owner Q&AQ: Which vehicles are affected? A: The recall covers 2022–2024 Hyundai IONIQ 5 and 2023–2025 Hyundai IONIQ 6 electric vehicles.