2024 Kia EV6 Fuel system Problems
- Complaints
- 15about this part
- Share
- 19%of 78 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 15 complaints about the fuel system of the 2024 Kia EV6, 19% of the 78 complaints for this model year.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was driving on the freeway steady at 72mph and the car suddenly accelerated on its own. It hit 90 within seconds and I had to step on the break for the car to slow down.”
NHTSA complaint #11703834, filed 2025-12“After starting the car, a message displayed on dashboard Check Electrical System. I tried driving the car out of the garage and then a message displayed to the effect of Stop the car and check battery. I called the dealer and they said to have the car towed to them. After having the car towed to the dealer, they ended up replacing the Integrated Charging Control System (ICCU) and fuse. The danger is that the failure of this ICCU part could cause immediate loss of power when driving. Luckily, that didn't happen to me since I was only creeping slowly out of my garage.”
NHTSA complaint #11725422, filed 2026-03“I purchased this vehicle just over a year ago as a CPO model with only 8,000 miles on it. It now has just over 23,000 miles. In this short time of ownership, it has been back to the dealership 3 separate times for serious EV system issues. The first visit involved a software update intended to correct a 12-volt charging issue that could prevent the vehicle from charging and potentially cause ICCU failure. Shortly after that update, the 12-volt battery failed, despite being <18 months into service, completely bricking the vehicle and leaving me stranded waiting for a tow. …”
NHTSA complaint #11721903, filed 2026-03“Car suddenly slowed from 55 mph to 25 mph because of issues with the 12v battery and the ICCU system. The car is only 1 year old. From looking online, this seems to be a fairly common issue/problem. The dealer is working on it now, but it seems likely that this issue will happen again. If it happens on a freeway, certainly a safety concern.”
NHTSA complaint #11708340, filed 2026-01“Listing as all 3. ICCU/fuse went out, car decelerated to 45 MPH max and flashed a warning to pull over. The bottom left battery indicator for the 12v battery also changed to red, indicating it was not regaining power from the main EV battery. Currently in shop hoping to get part in soon”
NHTSA complaint #11733307, filed 2026-04Related service bulletins
- 11031919Apr 23, 2026WARRANTY EXTENSION CAMPAIGN: TECHNICAL SERVICE BULLETIN: ICCU INSPECTION/REPLACEMENT (WTY044) - This bulletin provides information associated with the ‘Warranty Extension…
- 11032099Apr 22, 2026WARRANTY EXTENSION CAMPAIGN: QUESTION AND ANSWER (WTY044) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Warranty…
- 11031912Apr 22, 2026WARRANTY EXTENSION CAMPAIGN: OWNER NOTIFICATION (WTY044) - This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage to all…
- 11031917Apr 21, 2026WARRANTY EXTENSION CAMPAIGN: REIMBURSEMENT FORM (WTY044) - This document is a Reimbursement Request form that was mailed with the customer letter advising them to submit the form…
- 11031910Apr 21, 2026WARRANTY EXTENSION CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (WTY044) - This document is the announcement to the dealer Parts and Service managers advising that Kia is…
- 11031909Apr 21, 2026WARRANTY EXTENSION CAMPAIGN: DEALER PRINCIPAL MEMO (WTY044) - This document is the announcement to the dealer principals advising that Kia is extending the New Vehicle Limited…
- 11027677Jan 16, 2026TECHNICAL SERVICE BULLETIN: SUBSEQUENT REPAIR ACTION: ICCU AND FUSE REPLACEMENT (SC327Y) - This bulletin provides information related to the Technical Service Bulletin previously…
- 11015232Dec 5, 2024This bulletin was closed and superseded by SC327Y TSB. "This bulletin provides information related to the Technical Service Bulletin previously published under SC302, titled…
- 11015231Dec 5, 2024This bulletin provides information related to the Technical Service Bulletin previously published under SC327, titled “ICCU and Fuse Inspection/Replacement and ICCU Software…
- 11015230Jun 20, 2024This bulletin provides information related to the Technical Service Bulletin previously published under SC302, titled “ICCU and Fuse Inspection/Replacement and ICCU Software…
Fuel system: other model years
Other parts of the 2024 Kia EV6
56 complaintsTransmission and drivetrain
17 complaintsOther or unknown
12 complaintsEngine
7 complaintsForward collision avoidance
6 complaintsBrakes
5 complaintsVehicle speed control
5 complaintsSteering
3 complaintsAir bags
2 complaintsExterior lighting
2 complaintsBody and structure
2 complaintsSeat belts
1 complaints
← All problems reported for the 2024 Kia EV6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology