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327 complaints
HYUNDAI IONIQ 5 2025 ELECTRICAL SYSTEM
low
EV system not working on car with 8k miles on it. Dealer backed up and cannot offer rental car. This is a safety issue for me . This is a KNOWN issue for Hyundai and they are not recalling and their
NHTSAUSJul 2026Source →
HYUNDAI IONIQ 5 2025 UNKNOWN OR OTHER
high
I was slowing down, actively pressing the brake pedal to bring the vehicle to a full stop. As the car decelerated to what my senses and perception registered as a full stop, I pressed the “P” (Par
NHTSAUSJul 2026Source →
HYUNDAI IONIQ 5 2025 ENGINE
high
The car entered a failed ICCU state (not confirmed until the car was looked at by Hyundai at the dealership) while I was driving down to Ano Nuevo regional park. Received a warning on the dash that s
NHTSAUSJul 2026Source →
HYUNDAI IONIQ 5 2025 ELECTRICAL SYSTEM
medium
Description of Safety Defect:The integrated Forward Attention Warning (FAW) driver-monitoring camera located on the steering column continuously fails to track facial structures or pupils during routi
NHTSAUSJul 2026Source →
HYUNDAI IONIQ 5 2025 POWER TRAIN
high
During a family road trip, my 2025 Hyundai Ioniq 5 (~9,000 miles, less than one year old) suddenly showed red "Check Electric Vehicle System" and 12V battery warning lights and then completely lost po
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 ELECTRICAL SYSTEM
medium
iccu failure. Car completely disabled.
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 WHEELS
low
Car has worn down both rear tires to wires and dealer has said alignment is way out and could be suspension issues. Checked recalls and don’t see any but it’s clear there is a serious issue as the
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 LANE DEPARTURE: ASSIST
medium
The driver attention warning feature is defective and often requires you to take your eyes off the road and stare at the DAW sensor in order to eliminate the car's constant "attention" warnings. Even
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 ELECTRICAL SYSTEM
high
ICCU failed with a pop sound in the evening. Next morning, on my way to the dealership, car started fine, alerted me about the “check electric vehicle system”, but drove fine for about a mile. T
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 ELECTRICAL SYSTEM
medium
Failure of ICCU and high voltage fuse. Known issue in this vehicle. 2022-24 have been recalled. 2025 needs to be recalled. Warning on dash when it occurred, then 12V battery died. Undrivable. Towed
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 ELECTRICAL SYSTEM
medium
3/31/2025: New Vehicle leased. 11/24/2025: 12V battery failure. Battery replaced by dealership. 4/22/2026: 12v battery failure. Battery replaced by dealership. 6/7/2026: ICCU failure. Car cannot
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 FUEL/PROPULSION SYSTEM
high
Systemic failure of the electrical architecture and Integrated Charging Control Unit (ICCU) resulting in a sudden, catastrophic loss of motive power. Over 14 months of ownership, this vehicle has suff
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 FUEL/PROPULSION SYSTEM
high
When I started the car at 10pm , a loud pop was heard and warning lights on the dashboard indicated an electrical problem. I turned off the radio and anything extra that could use up power; during th
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 ELECTRICAL SYSTEM
high
ICCU failure. Car slowed ona busy street. Inspected by dealership service and confirmed ICCU failure. The pop sound and then check electrical system warnings.
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 LANE DEPARTURE: ASSIST
low
While using Highway Driving Assist/Lane Following Assist on Interstate highways, lane markings frequently disappear on overpasses and in construction areas. When this occurs, lane-centering assistance
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 ELECTRICAL SYSTEM
high
While attempting to operate my 2025 Hyundai Ioniq 5, the vehicle abruptly displayed a 'Check Electric Vehicle System' warning accompanied by a critical red master service light on the dashboard. A dia
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 ELECTRICAL SYSTEM
high
I pulled my car out of the garage and proceeded to drive up the street. I suddenly heard a weird sound and an emergency warning appeared on my dashboard stating to check vehicle electrical system. I i
NHTSAUSJun 2026Source →
HYUNDAI IONIQ 5 2025 FUEL/PROPULSION SYSTEM
medium
Car has only 3307 miles and incurred a DTC P1A9096. This meant the vehicle only had power from the 12 volt battery, not traction battery. Luckily, the event happened 3 miles from home and we were ab
NHTSAUSMay 2026Source →
HYUNDAI IONIQ 5 2025 LANE DEPARTURE: ASSIST
medium
The Driver Attention Warning system fails every time I put the car in Cruise Control. I have adjusted my seat and the steering column but no relief. I have removed my hat and sunglasses with no relief
NHTSAUSMay 2026Source →
HYUNDAI IONIQ 5 2025 POWER TRAIN
medium
Vehicle was parked in closed garage overnight. In the morning I tried to start the car and it was unresponsive. key fobs, digital keys, NFC cards none of them were able to open the car. Used a physic
NHTSAUSMay 2026Source →