HYUNDAI
25-01-010H-1 TSB
Manufacturer communications
- Publication date
- 2025-07-16
- Received by NHTSA
- 2025-07-22
- NHTSA record numbers
- 11020798
Manufacturer summary
Original wording in English
This bulletin provides the procedure to update the software for the Battery Management System (BMS) on certain Elantra Hybrid (CN7 HEV), Sonata Hybrid (DN8 HEV), and Tucson Hybrid (NX4 HEV) vehicles that may exhibit a warning light with DTC P1BB200 and enter Limp Mode.
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 |
|---|---|---|
| Hyundai | ELANTRA HYBRID | 2023 |
| Hyundai | ELANTRA HYBRID | 2022 |
| Hyundai | ELANTRA HYBRID | 2021 |
| Hyundai | SONATA HYBRID | 2022 |
| Hyundai | SONATA HYBRID | 2021 |
| Hyundai | SONATA HYBRID | 2020 |
| Hyundai | TUCSON HYBRID | 2024 |
| Hyundai | TUCSON HYBRID | 2023 |
| Hyundai | TUCSON HYBRID | 2022 |