Kia Cadenza 2021–2026 — technical service bulletin
Bulletin TSB_ELE422 · NHTSA communication 11033217 · issued May 28, 2026
Technical service bulletin
communication type
Electrical System
component
2021–2026
model years
60
vehicle entries
Official summary
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 Kia Navigation Updater available at update.kia.com. The software update may improve system performance, enhance existing features, and apply the latest operating software for supported vehicles (2021-2026MY All Models).
Vehicles covered
- 2021 Kia Cadenza
- 2021 Kia Carnival
- 2022 Kia Carnival
- 2023 Kia Carnival
- 2024 Kia Carnival
- 2025 Kia Carnival
- 2026 Kia Carnival
- 2025 Kia Carnival Hybrid
- 2026 Kia Carnival Hybrid
- 2022 Kia EV6
- 2023 Kia EV6
- 2024 Kia EV6
- 2025 Kia EV6
- 2026 Kia EV6
- 2024 Kia EV9
- 2025 Kia EV9
- 2026 Kia EV9
- 2021 Kia Forte
- 2022 Kia Forte
- 2023 Kia Forte
- 2024 Kia Forte
- 2025 Kia K4
- 2026 Kia K4
- 2021 Kia K5
- 2022 Kia K5
- 2023 Kia K5
- 2024 Kia K5
- 2025 Kia K5
- 2026 Kia K5
- 2021 Kia K900
- 2021 Kia Niro
- 2022 Kia Niro
- 2023 Kia Niro
- 2024 Kia Niro
- 2025 Kia Niro
- 2026 Kia Niro
- 2021 Kia Niro EV
- 2022 Kia Niro EV
- 2023 Kia Niro EV
- 2024 Kia Niro EV
- 2025 Kia Niro EV
- 2026 Kia Niro EV
- 2021 Kia Niro PHEV
- 2022 Kia Niro PHEV
- 2023 Kia Niro PHEV
- 2024 Kia Niro PHEV
- 2025 Kia Niro PHEV
- 2026 Kia Niro PHEV
- 2021 Kia Rio
- 2022 Kia Rio
- 2023 Kia Rio
- 2021 Kia Sedona
- 2021 Kia Seltos
- 2022 Kia Seltos
- 2023 Kia Seltos
- 2024 Kia Seltos
- 2025 Kia Seltos
- 2026 Kia Seltos
- 2021 Kia Sorento
- 2022 Kia Sorento
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.