2022 KIA EV6 Complaints

Persistent ICCU failure causing charging interruptions, “Check Vehicle Charging System” ? “Stop vehicle and check power supply” warnings, low 12V battery voltage (down to 12.1V), and risk of power loss/strand. Kia Connect sent “Charge Interrupted” alert during a session that reached 99%. Multiple prior recalls/attempts failed to resolve (Sep 2023 TSB ELE291 BMS, Jun 2024 SC271 ICCU SW, Jan 2025 SC273 VCU SW, May 2025 SA5999 limp-home logic, Sep 2025 dead 12V stranding). Towed Feb 2026 after stranding; dealer confirmed ICCU failed (DTC P1A9096), replaced ICCU (P/N 36400-1XFA0AQQK latest revision), fuse, and SW update under SC327 (24V-867). Repair completed same day (Feb 24, 2026), but dealer skipped charging system test and filling coolant. Safety impact: Stranded wife twice (dead battery and iccu failure), tow required, potential sudden power loss while driving. Report purpose: Document recurrence despite multiple recalls; seeking NHTSA tracking for effectiveness of SC327 remedy.

My car (Kia EV6) suddenly stopped charging with Level 1 and Level 2 charging. I brought it to the Kia dealership and it was diagnosed ICCU failure. ICCU was swapped and the car is charging again.

ICCU failure. The vehicle would no longer charge via AC and tripped the circuit breaker whenever plugged in. All necessary software updates related to the ICCU issue were completed timely before its failure.

The contact owns a 2022 Kia EV6. While the contact’s daughter was driving approximately 40 MPH, the messages "Electric Failure: Stop Car Do Not Drive” and “12-Volt Battery Voltage Low" were displayed on the instrument panel. The vehicle then failed to exceed 20 MPH, causing the driver to activate the hazard lights while pulling over to a side street while driving approximately 5 MPH. On the side of the road, the vehicle lost power. The vehicle was left at the side of the road to be towed to the nearest dealer. The dealer was contacted and confirmed that it was a known failure with the Interior Command Centre Unit(ICCU), and that the ICCU might need to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 23,000.

ICCU failure. It blew up my home charger and shorted out. Would no longer charge the car on level 1 or 2 charger.

vehicle will not charge properly due to ICCU failure, causing it to not charge the 12v battery which could have caused it to run out of battery at any moment causing the car to stop operating while driving which could have caused an accident, particularly because I do mostly highway driving. The dealership has confirmed the ICCU failure. While it supposedly got the previous recall fixes, that did not prevent it from failing.

The ICCU system in my 2022 Kia EV6 failed for the SECOND time on the highway. The car threw an error telling me to "Check the electrical system" and "Pull over safely immediately" or something similar. Had I not made it to the shoulder, I would have been completely stranded in the middle of the highway, creating an incredibly dangerous situation. This is the second time this has happened with my EV6 in less than 50,000 miles on this car. I had to call a tow truck. I confirmed with the Kia dealership the ICCU system had randomly failed and was required to be replaced *AGAIN*. My wife was in the car with me and was freaked out. She doesn't feel safe in it because there's no rhyme or reason to when it happens. KIA says it is a known issue, and confirmed it was the second time this has happened to my car. No symptoms prior to it happening. We were just driving and then suddenly the car lost power and the warning displayed on the dash.

While driving in traffic I heard a pop, then the "Check Electric Vehicle System" warning came on the dashboard. After a minute or so the dash warning changed to "Stop Vehicle" and the car limped home but at a lower speed. This matched the description I had seen of ICCU failures on Kia and Hyundai EVs. Dealer confirmed this was in fact the issue, and I had it replaced under warranty. This was a safety issue for me and my family because when it failed I was driving in traffic on a four-lane road at night, in <40-degree weather, and it requires a tow to the dealership for repair. Although I now have a new ICCU, I am also now concerned that it might happen again. The vehicle has not been inspected by police, insurance or manufacturer that I'm aware of.

Incident occured october 17, 2024. Was driving approximately 30mph on a local road when lights flashed to "check electric vehicle system". Was speed restricted to 25mph (on 45mph road) and was able to make it back home approximately 1 mile away. Car completely shut down in my street prior to making it to my driveway. It needed to be towed to the nearest dealership. No lights in dash working and flickering. Prior to this failure over the preceding several months there were errors where I would plug the car into Level 2 charging at home (9.6kWh) and the car would stop charging with a hot charging port approximately every 1 hour. I would unplug and replug in again. Charging would work. Level 3 was working just fine without problem. After going to the dealership it was deemed that the ICCU component needed to be replaced. After replacing car worked well and no charging issues occured.

ICCu failed. All the symptoms others have reported and discussed. (Reddit Kia subreddit + Kia Fotum). Sent home unable to charge. Kia claimed they could charge and wouldn’t do anything. After the second trip to the dealership they said “ it kick d out a ICCU code so we can replace it now”. They knew it was bad and the warranty protocol stinks. Software update did not prevent this. A fix and extended warranty should be required.