Kia Ev6 Engine Problems
124 owner complaints filed with NHTSA across 4 model years.
Complaints by Year
Worst year: 2022. Best year: 2025.
Owner Reports
A representative sample of complaints filed with NHTSA.
While changing lanes on a freeway, the car passed through a narrow strip of slush from recent snowfall. The car immediately disabled the motors, preventing acceleration and regenerative braking for nearly 50 seconds. There were no warnin...
Was parking car. Pushed on brake and car accelerated
The contact owns a 2022 Kia EV6. The contact stated that while the vehicle was parked on a hill, it rolled and crashed into a handicapped sign. The forward collision sensor became inoperable. While at the charging station utilizing the r...
First ICCU the power completely went out on 2/23/26. Power went out again April, 2026. Currently car is immobile and unreliable and not safe for driving due to power failures. Towed car to Kia Cerritos. Car supposedly "fixed" (with other...
ICCU failure, a well known issue with these cars.
Iccu failure with Kia ev6. Unreal that this car has not had a recall yet. It is totally unacceptable that this car can at any time fail. Car will not start and shut down while I was driving. Luckily I was beginning to park when it happened
The ICCU unit failed. The message "Check Electrical System" appeared on the instrument cluster. Low-voltage battery voltage was 12.0V and vehicle speed was limited to 60 mph. Maximum speed was gradually reduced to 30 mph over a period of...
2024 Kia EV6 leased January 2025. Vehicle is subject to NHTSA Recall 24V-867 / Kia campaign SC327 for the Integrated Charging Control Unit (ICCU). The recall remedy was performed at an authorized Kia dealer in July 2025 (software / opera...
*ICCU assembly and ICCU fuse fault (a kia recall SC327( NHTSA ID: 24V867000) for ICCU was performed months early but does't help AND iccu crash) *yes - cars stop workind in the midle of nower at 317 mile away from home with 5 persons in)...
Got in my car to leave a store and heard a loud pop and noticed a smell like an electric motor burning. Backed out of my space to drive home and the car displayed several error messages- Check electric vehicle system, turtle mode, power ...
Repeated failed attempts to repair ICCU culminating in ICCU failure. May 15, 2024 – Initial repair attempt (ICCU-related recall/service). September 5, 2024 – VCMS logic recall performed. December 19, 2024 –second repair attempt for...
ICCU failure.