Kia Sportage Hybrid 2023–2024 — technical service bulletin
Bulletin TSB_ELE399 · NHTSA communication 11023102 · issued Sep 10, 2025
Technical service bulletin
communication type
Fuel/propulsion System
component
2023–2024
model years
2
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: BMS DISCHARGE LOGIC IMPROVEMENT - This bulletin provides information to upgrade the ‘BMS’ system software on certain 2023-2024MY Sportage (NQ5 HEV) vehicles produced from February 15, 2022, through December 15, 2023, which may experience excessive discharging of the 12V lithium battery while parked, potentially resulting in a no-start condition.
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.