KIA EV6 Electrical System Problems
Owners have filed 407 complaints with NHTSA about electrical system problems on the KIA EV6 across 4 model years. The 2022 model year has the most (211). The words owners use most often: “12v battery” (16% of reports).
- 407electrical system complaints
- —median miles at failure
- 4mention a crash
- 3mention an injury
- 3related recalls
- 25%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.
- 12V battery: mentioned in 66 of 407 complaints (16%)
- Iccu failed: mentioned in 58 of 407 complaints (14%)
- Check electrical: mentioned in 53 of 407 complaints (13%)
- Power supply: mentioned in 36 of 407 complaints (9%)
At what mileage do electrical system problems happen?
Based on 21 complaints that reported the odometer reading.
How serious are the reports?
Of 407 complaints, 4 mention a crash, 2 a fire, 3 an injury.
KIA EV6 electrical system complaints by model year
When owners reported it
Related recalls (3)
Electrical system:propulsion system:traction batteryPark outside
Model years: 2022, 2023, 2024
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
Model years: 2022, 2023, 2024
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
Model years: 2022, 2023, 2024
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.
On Sunday, October 4, 2026, the vehicle lost drive power while I was operating it. At the same time, steering became extremely difficult and the brakes required extraordinary physical force to apply. I had to use all of my strength to safely bring the vehicle to a stop. At that point we were…
Dear Kia Customer Care, I am writing to formally report a serious and recurring safety issue with my Kia vehicle. I have repeatedly experienced a "Power Limited" error while driving, often accompanied by a turtle icon and a "Check Electric Vehicle System" warning. On multiple occasions, the vehicle…
I was driving my car on the highway, then I got the message çheck your electrical system'for around a minute. Then there was a rumble or bang as if I hit something with the back, but the road was clean. Then the car started slowing down and I drove to the side. I got out of the car and saw white…
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.
The ICCU, or integrated charge control unit, continually fails on this car. When it fails, the 12V battery rapidly drains and the car goes into turtle mode (25mph max) until the 12 battery drains completely. This has happened 4 times on this car, twice since I purchased it 'certified pre-owned"…
Frequently asked questions
Do all KIA EV6s have electrical system problems?
No. NHTSA has 407 owner complaints about electrical system for the KIA EV6. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 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.
What do owners say about electrical system problems on the KIA EV6?
The most frequent phrase is “12v battery”, in 66 of 407 complaints, followed by “iccu failed” (58).
See all KIA EV6 problems.