Kia K5 2025 — technical service bulletin
Bulletin OTA_SA630 · NHTSA communication 11023468 · issued Sep 30, 2025
Technical service bulletin
communication type
Electrical System
component
2025
model years
1
vehicle entries
Official summary
RELEASE NOTES: OVER-THE-AIR: SERVICE ACTION: SOFTWARE UPDATE FOR TRANSMISSION CONTROL UNIT (SA630) - This Over-the-Air (OTA) software update is designed to update the Transmission Control Unit of certain 2025 K5 vehicles. This update is designed to improve the performance for smoother gear shifts.
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.