complaints.title

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…

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…

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…

ICCU failure. Car slowed ona busy street. Inspected by dealership service and confirmed ICCU failure. The pop sound and then check electrical system warnings.

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…

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…

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…

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…

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…

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…

Driving car at low rate of speed when ICCU unit blew. The car threw a check Electrical system and then went into limp not traveling over 35 mph. In a mile car gave another warning to pull over and s…

The vehicle’s driver monitoring / Forward Attention Warning system repeatedly gives false inattentive-driver warnings during normal highway driving, even when I am actively watching the road and dri…

The iccu (Integrated Charging Control Unit) failed.

Our *2025* Hyundai Ioniq 5 experienced a complete failure of the ICCU (Integrated Charging Control Unit). The car displayed numerous warnings including "Check brake system", "Check 12V battery. Stop …

Heard a pop sound, drove three-mile back to house, with car throttled speed to 20 MPH on 35 MPH roads. Leased 2025 Ioniq 5 at 4553 mi. Once back, completely died, vehicle wouldn't lock, start or move.…

The ICCU failed just before the vehicle had 20k miles on it. It failed on a warm afternoon with about 77% SOC after not being charged for more than 24 hours. Immediately after starting the car with th…

The ICCU failed on my 2025 Ioniq 5 within 3 months of ownership and only 811 miles on it. The weather that morning was slightly chilly but not cold. I turned on the car and put it into reverse and aft…

The ICCU went bad. I am not able to charge it at my house, because it causes the breaker to trip. It does successfully charge at a charging station. But then I learned the power could also go at any p…

A collision occurred when the vehicle failed to detect a stationary stop‑sign pole directly in front of it. The forward collision‑avoidance system did not provide any braking assistance or interve…

1. The repair work was done at San Leandro Hyundai service department. I do not have the parts that were worked on. 2. Fortunately, both incidents happened when the car was parked at home. The unpredi…