2024 HYUNDAI IONIQ 5 Complaints

While accelerating onto a road with cars approaching from behind, vehicle entered limp mode and was restricted to 25 MPH. I was forced to leave the roadway to avoid a collision with the vehicle behind. The street this occurred on has a speed limit of 40 MPH. The vehicle's normal acceleration was sufficient to ensure a safe gap to the approaching car, but the time it took to recognize and react to the unexpected behavior reduced this gap. The dealer diagnosed this as an ICCU failure related to safety recall 272. All prior recalls were complete at the time of the incident.

The ICCU failed while driving which left me with an undriveable vehicle on the side of the road. The vehicle was towed to the dealership and repaired; however, the part is the same and may fail again.

“While stopped at a red light my 2024 Hyundai IONIQ 5, the car moved forward slowly the brake pedal became completely unresponsive and would not slow or stop the vehicle. I had to turn off the engine to bring the car to a stop. This is a complete brake system failure on a vehicle with only approximately 10,000 miles that was purchased new on September 28, 2024. This is a critical safety defect that put myself and others at serious risk.”

While driving, heard a pop sounds from back seats. Then a warning appears on front screen : Check Electric Vehicle system. The car lost all power and stopped beside the road. The car has only 14K kms on it.

Hyundai is ignoring the fact that many Ioniq 5 have an ICCU defect that happens without warning and can leave you stranded with a bricked car that you can’t drive. They have a software recall for it that I had performed at the dealer. This did not solve the problem because it failed yesterday and I was stranded far from home. They continue to put this same part in the 2025 model. I have a 2024. Brand new cars are having the same problem which requires the whole unit to be replaced with the same unit that can go bad. I know people who it has happened to multiple times. They need to issue a recall that replaces the entire unit with a redesigned one. Not the same exact part. Everyone of these cars is a ticking time bomb that can leave a person stranded.

The yellow airbag SRS critical safety restraint wire runs exposed and loose and drooping beneth the front seats with NO space between the harness and the floor (it could have been run above the seat plate or otherwise protected. Mine snagged on something and was torn from the terminal block and has disable the airbag. Hyundai denies it a defective design or assembly and had denied warranty coverage but wants $10,000 to enable it - $6,933 for the part - $3,000 labor. The driver seat moves back and forth automatically when entering and existing - there is no control of the movement and anything more than 1/2 high is able to become tangled and disable the airbag without warning. Hyundai via emails to their legal counsel as well as customer care is fully advised but has denied warranty status or other fix or accomadation. The warrenty for this car - for which coverage has been denied - is in full force per Hyundai's express terms. This is a critical safety issue which upon limited investagation effects numous ioniq5's of multiple years besides the 2024 limited. Note also the 2024 limited has a movable drivers seat foot rest which is prone to sweep matters under the seat when lowered.

The forward collision system will intermittently erroneously detect objects in front of the vehicle while stopped or in motion. While driving on the freeway, this will cause the car to engage the emergency braking system endangering those in and around the car. While stop to the stoplight, this causes the front detection alarm to go off. The dealership has reproduced the error and tried software updates and replacing sensors, but the problem persists.

The tubing that is used to connect the windshield washer reservoir to the nozzles that deliver the washer fluid to the windshield is prone to rodent activity. This tubing has been punctured by rodents twice now - with one intervening tube replacement. I have to replace the tubing again today. It has been less than two weeks since I last replaced the tubing. The replacement tubing was purchased from a Hyundai dealership. It appears that this will be an ongoing issue that will impact the operational safety of the vehicle.

On [XXX] at [XXX] Pacific Time , I was entering my garage when my vehicle had a surge of acceleration and went through thee wall seperating the garage from the kitchen. There wasn't any emergency braking , even with myself applying the brake , my vehicle refused to stop. My vehicle was totaled by Progressive Insurance .I am now furnishing the Progressive claims name and adjuster"s phone number: Grace Villard 440-910-6852. North Las Vegas Police Dept Accident report #[XXX] It was the Progressive Insurance aduster ,vehicle inspector who called me and told me there was a safety issue with my vehicle and declared it a total loss. Whatever aid you can avail me to I'd appreciate.. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Last March 12 2025 I heard a pop coming out of a parking lot and warning message appeared. I was able to drive at decreased speed to the dealer. They diagnosed it to be an ICCU failure. It took 6 weeks to get it replaced.