Release notes: over-the-air: software update for V2X enhancement

Bulletin number

ELE428_OTA_RELEASE_NOTES

Component

Electrical system

Summary

RELEASE NOTES: OVER-THE-AIR: SOFTWARE UPDATE FOR V2X ENHANCEMENT - This Over-the-Air (OTA) software update is designed to update the Vehicle Charging Management System (VCMS), Vehicle Control Unit (VCU), and Communication Control Unit (CCU) logic of certain 2025 -2026 EV9 and EV6 vehicles. This update is designed to enable your vehicle to be Vehicle to Everything (V2X) ready. V2X provides the ability to use your EV as an energy storage system for properly equipped homes. A compatible bi-directional charger (sold separately) is required. V2X can only be used after activating the feature in the Kia Connect store. When discharging your vehicle’s battery using the V2X feature, you must use the V2X charger specified on the Kia Owner’s website. Using any other equipment for V2X discharge may significantly affect your vehicle’s durability and may result in a repair not being covered by the warranty.

Owners of these vehicles have filed 56 complaints in the electrical category.