KIA
SC335_TSB_CLSD
Manufacturer communications
- Publication date
- 2025-06-26
- Received by NHTSA
- 2025-07-01
- NHTSA record numbers
- 11019891
Manufacturer summary
Original wording in English
TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: BMS S/W LOGIC IMPROVEMENT FOR DTC P1BB2 (SC335) CLOSED AND SUPERSEDED TO SC338 (TSB) - This bulletin is now closed. "This bulletin provided information to upgrade the Battery Management System ‘BMS’ software logic on certain 2023-2024MY Sportage HEV (NQ5 HEV) vehicles produced from February 15, 2022 to October 28, 2023, and2023-2024MY Niro HEV (SG2 HEV) vehicles produced from June 21, 2022 through February 6, 2023. Due to a software issue, the Battery Management System (BMS) may inadvertently overcharge the 12V Lithium battery.
Reported code forms
Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Kia | NIRO | 2024 |
| Kia | NIRO | 2023 |
| Kia | SPORTAGE HYBRID | 2024 |
| Kia | SPORTAGE HYBRID | 2023 |