2023 Kia EV6 Vehicle speed control Problems

“On January 27th I was driving home on I-495 in the far left lane going about 70MPH when the electrical warning light came on. Telling me to stop the car and take to the dealership. While I was trying to get over into my far right lane, the car went from 70mph to 25 mph in about 40 seconds! Cars were flying all around me! It was terrifying and incredibly dangerous! The dealership discovered my ICCU had failed. This vehicle has a fatal flaw that is going to get someone killed.”

“The motor inverter for the rear motor failed while I was driving. The power cut out, and luckily I was able to drift over to the side of the road. On a highway, it would have been very dangerous. The dealer diagnosed the inverter issue, and said it needs to be replaced. The car has not been inspected by the manufacturer, the police, or insurance representatives. A warning message appeared the moment the power cut out. It said, Check electric vehicle system.”

“I was driving 40mph and received a yellow error message along the lines of electrical system issue, please check and my speed was limited to 25mph. After trying to get the car to a safe location (as I was on a narrow two-lane road), the error changed to a blinking red error and my speed was further limited to 12mph. I was unable to get the car one mile to the dealer for service, so I stopped the car in a parking lot and had it towed to the dealer. The dealer diagnosed the problem and replaced the ICCU (2nd time on this car) and the 12 volt battery.”

“I purchased my 2023 Kia EV6 in December 28, 2024. On January 8, 2025, I took my EV6 in for the SC327 recall service. Despite completion of the recall service, my ICCU still failed and my car lost power while driving on February 6, 2025. I was driving 45 mph down a state road and was about to get into a highway onramp when my speed quickly dropped to 13 mph and my car displayed a check electrical system warning. The car would not go above 13 mph. I was fortunate that no one was following close behind me and that I was not on the highway. …”

“While driving with the power liftgate partially open, I experienced an inability to accelerate after coming to a stop. I pressed the accelerator and the car rolled gently forward into an intersection at a speed less than 2MPH. A warning displayed on the dash that I needed to close the liftgate before the vehicle would operate correctly, which was impossible because I was in the middle of an intersection with a large chair blocking the liftgate from closing. I was able to restore functionality by turning the car off and turning it back on. …”