Hyundai Ioniq 5 n Electrical Problems
6 owner complaints filed with NHTSA across 1 model years.
Complaints by Year
Worst year: 2025. Best year: 2025.
Owner Reports
A representative sample of complaints filed with NHTSA.
Integrated Charging Control Unit (ICCU) failed while driving. Heard a pop from below the rear seats. "Check vehicle electrical system" message popped up initially, then changed to "Stop vehicle and check power supply" Vehicle could no...
I have experienced two high voltage battery failures both requiring hv battery replacement. The first occurred around 6000 miles and the second occurred around 13,000 miles. I also had several dead 12v battery episodes where the card wou...
The 12 volt battery (which is less than 6 months old) died on two separate occasions in the span of 4 days. Each incident required a call to emergency roadside assistance for a jump start. This is a safety issue. If the 12 volt battery d...
Car's ICCU blew as I was pulling out of my driveway. Was able to limp to the dealer. They replaced the ICCU in a week.
What happened to me is a common problem with these models. I had an issue with the 12 V battery not being charged by the main battery as it should be. This led to a blowing of the main fuse which took out the ICCU unit. This seems to be ...
The contact owns a 2025 Hyundai Ioniq 5 N. The contact stated that while driving at 40 MPH, the service battery immediate warning light illuminated. A dealer was contacted. The vehicle was taken to the dealer because the ICCU unit needed...