Kia Ev9 Engine Problems
16 owner complaints filed with NHTSA across 2 model years.
Complaints by Year
Worst year: 2024. Best year: 2025.
Owner Reports
A representative sample of complaints filed with NHTSA.
Vehicle consistently vibrates at highway speeds, feels like a driveline vibration, wheel, tire or suspension issue. Almost feels like a tire is wobbling.
Car stopped working and wouldn’t start. I was told there is an ICCU failure. There is a back order of ICCU for this vehicle and unknown date of repair.
Vehicles battery has somehow malfunctioned and will charge to 100% but only has ~40 miles of range. This lead to my family being almost stranded in the middle of the night without range to get home with the un expected decrease. Vehicle ...
Vehicle range went from 320+ miles on a 100% charge to just 100 miles on 100% charge. Looks to be a bad battery cell or battery itself. No warning lights of any kind. Just super degraded range. Vehicle is new and has around 5800 miles. ...
My family and I were driving down a busy highway at speed in the middle lane, the vehicle suddenly jolted forward and lost power. Dashboard reported electrical system failure, contact service. Vehicle was recovered to dealer who has bee...
I recently had recall 24V693000 completed on my vehicle. After the recall while using the remote vehicle movement feature it no longer stops at all. While demonstrating the feature for a friend interested in purchasing a similar vehicle ...
I am submitting a safety complaint regarding a serious incident involving my 2025 Kia EV9. The vehicle was serviced on March 1 at World Kia in Joliet, Illinois. On April 4, only four days after that service, the vehicle experienced a sud...
I would also like to highlight the serious safety concern due to cell deviation (imbalance) along with SOC (State of Charge) mismatch as per my car's BMS (Battery management system) which is present in my vehicle and shared with Kia corp...
Vehicle loses accelerator control unless under 30mph. Dealer says they cannot replicate and corporate have decided the vehicle works as designed. I have a video of vehicle losing power and it doesn't help. [XXX] INFORMATION REDACTED P...
The vehicle was being driven on a highway when it became unresponsive to input from the accelerator pedal and the car's dashboard indicated an electrical system failure. There were no indications of problems with the car before the elect...
I was driving and the car suddenly gave a number of error messages, and I could not drive above 40 miles an hour on the freeway. This was very unsafe. I had it towed to the dealership and they replaced the ICCU Unit, which appears to b...
At least one cell of the ev battery is defective and the battery will not charge. The dealer determined that it is unsafe to drive. We are pending repairs and under warranty for over 40 days now and Kia can provide de no estimate for wh...