2024 Hyundai Ioniq 5 · symptom sheet
Battery dies or the car will not start
- 59owner reports
- 9,240median miles
- 1involved a crash
Newest report Aug 19, 2026 · checked Sep 9, 2026
176 of the 222 complaints on this car are about the electrical system. 59 of those describe dead battery, which makes it the most reported problem on the 2024 Ioniq 5.
Tick what matches of 59 reports
What got replaced
Owners who name the part that was replaced mention the battery (52 reports).
Recalls and investigations
3 recalls on the electrical system cover the 2024 model year. A recall on the same system isn't always the same failure, so read the defect text.
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 and remedy
Remedy: 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.
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 and remedy
Remedy: 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.
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 and remedy
Remedy: 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.
NHTSA investigations into the electrical system on the Ioniq 5
Electrical arcing and thermal events, potentially leading to fires, while utilizing enel x way usa, llc's juicebox residential charger.. Closed jun 5, 2025.
NHTSA summary
Loss of motive power. Closed apr 17, 2024, led to recall 24V-204.
NHTSA summary
Pedestrian alert sounds. Closed aug 7, 2023, led to recall 22V-063.
NHTSA summary
When it happens
The middle half of failures fell between 6,200 and 10,714 miles, from the 9 reports that gave a mileage.
What owners wrote
“ICCU failure, which made the car stop dead in the road with no way to move it because the car shifts into Park when powered down (there is no way to shift into Neutral without power).”
Filed Feb 23, 2026
“âCheck EV Systemâ error appeared in a red circle, with a red 12v battery icon. Then a turtle icon appeared and the car would not exceed about 30 mph. I was able to drive a mile and park in a lot. This happened after Level 2 charging to 100% and then driving one mile in 25° weather. The car was towed to the dealer.”
Filed Feb 13, 2026
“Battery light came on and car stopped after about 1 miles in the middle of the road. ICCU failure was the cause as determined at the dealer.”
Filed Feb 4, 2026
“The 12v battery system failed in November 2025. Battery was replaced by dealer. Then on February 2, 2026 the ICCU failed while driving. Complete and unsafe loss of power while driving.”
Filed Feb 3, 2026
Should you keep driving it?
This page can't tell you that. 1 of 59 reports involved a crash. Owners who file are the ones who had a bad experience, and nobody checks their reports. If the problem affects steering, braking, power or a fire risk, treat it as a safety fault and have it inspected before a long or high-speed drive.
File your own report with NHTSA. Complaint counts are how a problem gets an investigation.
Other problems on this car
- Engine stalls or loses power while driving 47 reports
- Infotainment, screen or backup camera fails 34 reports