Kia Carnival 2025–2026 — technical service bulletin
Bulletin OTA_ELE413_NOTES_R1 · NHTSA communication 11031940 · issued Apr 24, 2026
Technical service bulletin
communication type
Electrical System
component
2025–2026
model years
10
vehicle entries
Official summary
RELEASE NOTES: OVER-THE-AIR: SOFTWARE UPDATE FOR DATA CONNECTIVITY (ELE413 Revision 1) - This Over-the-Air (OTA) software update is designed to update the Data Connectivity Unit (DCU) logic of certain 2025 - 2026MY Carnival, 2025 - 2026MY K5 and 2025 - 2026MY Sorento vehicles. This update is designed to improve the vehicle’s network communication performance.
Vehicles covered
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.