2023 KIA EV6 Electrical System Problems
Owners have filed 103 complaints with NHTSA about electrical system problems on the 2023 KIA EV6, 75% of all complaints for this model year. Half of the reports with a mileage happened before 8,000 miles. The words owners use most often: “iccu failed” (18% of reports).
- 103electrical system complaints
- 8,000median miles at failure
- 0mention a crash
- 0mention an injury
- 3related recalls
- 30%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Iccu failed: mentioned in 19 of 103 complaints (18%)
- Check electrical: mentioned in 12 of 103 complaints (12%)
- 12V battery: mentioned in 12 of 103 complaints (12%)
- Power supply: mentioned in 9 of 103 complaints (9%)
At what mileage do electrical system problems happen?
Based on 5 complaints that reported the odometer reading.
How serious are the reports?
None of the 103 complaints report a crash, fire or injury.
KIA EV6 electrical system complaints by model year
When owners reported it
Related recalls (3)
Electrical system:propulsion system:traction batteryPark outside
Problem: Kia America, Inc. (Kia) is recalling certain 2022-2024 EV6 and 2024 EV9 vehicles. The high voltage battery cells may contain misaligned electrodes, which can lead to a fire while parked or driving.
Risk: A fire increases the risk of injury.
Fix: Owners are advised to park outside and away from structures and limit their charge to a maximum of 80% until the recall repair is complete. Dealers will replace the high voltage battery system assembly, free of charge. Owner notification letters are expected to be mailed August 7, 2026. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC375. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov beginning July 17, 2026.
Electrical system:propulsion system:charging:module:software; electrical system:12v/24v/48v battery
Problem: Kia America, Inc. (Kia) is recalling certain 2022-2024 EV6 vehicles. The Integrated Charging Control Unit (ICCU) may become damaged and stop charging the 12-volt battery, which can result in a loss of drive power.
Risk: A loss of drive power increases the risk of a crash.
Fix: Dealers will inspect and replace the ICCU and its fuse, as necessary. In addition, dealers will update the ICCU software. All repairs will be performed free of charge. Owner notification letters were mailed December 13, 2024. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC327. This recall expands and replaces previous recall number 24V-200. Vehicles previously repaired under recall 24V-200 will need to have the new remedy completed.
Electrical system:12v/24v/48v battery
Problem: Kia America, Inc. (Kia) is recalling certain 2022-2024 EV6 vehicles. The Integrated Charging Control Unit (ICCU) may become damaged and stop charging the 12-Volt battery, which can result in a loss of drive power.
Risk: A loss of drive power increases the risk of a crash.
Fix: Dealers will inspect and replace the ICCU and its fuse, as necessary. In addition, dealers will update the ICCU software. All repairs will be performed free of charge. Owner notification letters are expected to be mailed April 29, 2024. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC302.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The ICCU on the car died in the middle of the street, car would not shift out of park. Car completely died after a few minutes.
ICCU failure. I charged overnight at my home L2 charging as usual. I backed out of my garage and heard a loud pop. Almost immediately an âcheck electricalâ warning came up. The car went to turtle mode and then completely died. The car was towed and I was informed the ICCU needed to be replaced…
While driving southbound on the [XXX] in a rented 2023 Kia EV6 from The Hertz Corporation, picked up in [XXX] on XXX, the vehicle entered "Power Limited" mode without warning. The vehicle lost normal propulsion and decelerated from highway speed to a crawl, forcing 4-5 emergency stops onto the…
Frequently asked questions
Do all 2023 KIA EV6s have electrical system problems?
No. NHTSA has 103 owner complaints about electrical system for the 2023 KIA EV6 (75% of the 137 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2023 KIA EV6 electrical system?
Yes: 3 safety recalls list electrical system. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
At what mileage do electrical system problems start?
The median reported mileage is 8,000 miles: half of the reports with a mileage came before that.
What do owners say about electrical system problems on the 2023 KIA EV6?
The most frequent phrase is “iccu failed”, in 19 of 103 complaints, followed by “check electrical” (12).
See all 2023 KIA EV6 problems or electrical system problems across all EV6 years.