VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia is conducting a Voluntary Service Campaign to inspect the Integrated Charging Control Unit ("ICCU") and install an improved software logic in certain 2022-2023 MY EV6 vehicles manufactured from November 17, 2021 through May 30, 2023. If necessary, the ICCU and ICCU fuse will be replaced.
full bulletin at NHTSA ↗2023 Kia EV6 engine problems
moderate 4 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Complaints
4
Recalls
0
Avg fix
$3,100
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
VOLUNTARY SERVICE CAMPAIGN: ICCU SOFTWARE UPGRADE OR ICCU ASSEMBLY AND FUSE REPLACEMENT (SC271) - This bulletin provides information to inspect the Integrated Charging Control Unit ("ICCU") in certain 2022-2023MY EV6 (CV) vehicles manufactured from November 17, 2021 through May 30, 2023. Depending on the results of the inspection, dealers are to either install an improved ICCU software logic or replace the ICCU and ICCU Fuse. The ICCU in the subject vehicle may get damaged due to an over-current condition in the high-voltage system. This condition may cause the illumination of the "Service Warning Light," "Check electric vehicle system", and/or "Stop vehicle and c
full bulletin at NHTSA ↗VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals that Kia is conducting a Voluntary Service Campaign to inspect the Integrated Charging Control Unit ("ICCU") and install an improved software logic in certain 2022-2023 MY EV6 vehicles manufactured from November 17, 2021 through May 30, 2023. If necessary, the ICCU and ICCU fuse will be replaced.
full bulletin at NHTSA ↗VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers that Kia is conducting a Voluntary Service Campaign to inspect the Integrated Charging Control Unit ("ICCU") and install an improved software logic in certain 2022-2023 MY EV6 vehicles manufactured from November 17, 2021 through May 30, 2023. If necessary, the ICCU and ICCU fuse will be replaced.
full bulletin at NHTSA ↗VOLUNTARY SERVICE CAMPAIGN: QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign (SC271).
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 0 most recent
Had engine trouble with your 2023 Kia EV6?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2023 Kia EV6?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2023/Kia/EV6.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.