2023 Kia EV6 electrical system problems

What owners report

• “While driving a rented 2023 Kia EV6 on the freeway, the vehicle lost power and shut down completely, without warning, on multiple separate occasions during a single trip. This occurred at highway speed in live traffic, creating a serious risk to vehicle occupants and surrounding traffic. The…”

  filed Jul 29, 2026

• “First ICCU the power completely went out on 2/23/26. Power went out again April, 2026. Currently car is immobile and unreliable and not safe for driving due to power failures. Towed car to Kia Cerritos. Car supposedly "fixed" (with other issues I've reported to KIA of America & CA BAR/DMV)…”

  filed Jun 14, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Related recalls

• High voltage battery cells may contain misaligned electrodes, which can lead to a fire…
  Campaign 26V431000 · Jul 2, 2026
• Integrated Charging Control Unit (ICCU) may become damaged and stop charging the 12-volt…
  Campaign 24V867000 · Nov 18, 2024
• Integrated Charging Control Unit (ICCU) may become damaged and stop charging the 12-Volt…
  Campaign 24V200000 · Mar 14, 2024

Related service bulletins

• TECHNICAL SERVICE BULLETIN: INFOTAINMENT SYSTEM SOFTWARE UPDATE USING UPDATE.KIA.COM - This bulletin provides information and service procedures for updating the infotainment systems on applicable Kia vehicles using the…

  TSB_ELE422 · Service Bulletin/Repair Instructions · issued May 28, 2026

• WARRANTY EXTENSION CAMPAIGN: TECHNICAL SERVICE BULLETIN: ICCU INSPECTION/REPLACEMENT (WTY044) - This bulletin provides information associated with the ‘Warranty Extension Program’ (WTY044) to inspect and, if necessary…

  WTY044_TSB · Service Bulletin/Repair Instructions · issued Apr 23, 2026

• WARRANTY 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 extending the New Vehicle Limited Warranty…

  WTY044_DPSM · Warranty Program/Extension · issued Apr 21, 2026

• TECHNICAL SERVICE BULLETIN: INFOTAINMENT SOFTWARE UPDATE PROCEDURE - This bulletin provides information on the process for downloading infotainment software updates and preparing USB for installation on applicable Kia…

  TSB_ELE417 · Service Bulletin/Repair Instructions · issued Apr 14, 2026

• TECHNICAL SERVICE BULLETIN: SUBSEQUENT REPAIR ACTION: ICCU AND FUSE REPLACEMENT (SC327Y) - This bulletin provides information related to the Technical Service Bulletin previously published under SC327, titled “ICCU and…

  SC327Y_TSB_R1 · Service Bulletin/Repair Instructions · issued Jan 16, 2026

Electrical System problems in other EV6 years

Other reported problem areas on the 2023 Kia EV6