Tesla BMS_u032
Battery fuse replacement required OK to drive - Schedule service
Common search variants: BMSu032 · BMS-u032 · BMS u032 · Search ignores case and common separators.
Quick answer
Tesla alert BMS_u032 means a fuse in the high-voltage battery is very near the end of its lifetime and requires replacement. Tesla documentation states that the vehicle is OK to drive in the meantime, but service should be scheduled as soon as possible.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does BMS_u032 mean?
Tesla alert BMS_u032 means a fuse in the high-voltage battery is very near the end of its lifetime and requires replacement. Tesla documentation states that the vehicle is OK to drive in the meantime, but service should be scheduled as soon as possible.
2. Technical explanation
The verified Tesla/NHTSA manufacturer communications describe BMS_u032 as: “Battery fuse replacement required — OK to drive — Schedule service.” The alert indicates that a fuse within the vehicle’s high-voltage battery is very near the end of its lifetime and requires replacement. The evidence does not establish a more specific underlying cause beyond the fuse’s near-end-of-life condition.
3. What system is affected?
High-voltage battery fuse.
4. How serious is this code?
Service should be scheduled as soon as possible. The database diagnostic severity is listed as unknown, but the verified manufacturer guidance calls for high-voltage battery fuse replacement.
5. Symptoms you may notice
- The BMS_u032 alert is displayed.
- Reduced vehicle speed and acceleration may be noticed while driving.
6. Possible causes
- A fuse in the high-voltage battery is very near the end of its lifetime and requires replacement.
- Other causes are not yet established by verified evidence.
7. Can I still drive the vehicle?
Yes. Verified Tesla documentation states that the vehicle is OK to drive in the meantime; however, reduced speed and acceleration may occur.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Schedule Tesla service as soon as possible for high-voltage battery fuse replacement.
- Be prepared for possible reduced speed and acceleration while driving.
- Do not attempt high-voltage battery or fuse repair yourself.
10. Step-by-step troubleshooting
- Confirm the displayed alert is BMS_u032.
- Arrange service for replacement of the high-voltage battery fuse. Further owner troubleshooting is not established by verified evidence.
11. When to contact service
Schedule Tesla service as soon as possible to have the high-voltage battery fuse replaced.
12. What the service center may check
- Confirm the BMS_u032 alert and assess the high-voltage battery fuse condition.
- Replace the high-voltage battery fuse as indicated by the verified Tesla guidance.
- Additional service checks are not yet established by verified evidence.
13. Possible repair or resolution
- Replacement of the high-voltage battery fuse is the verified resolution indicated by Tesla documentation.
14. Affected vehicles
- Tesla Model 3 · 2017–2023 · US
- Tesla Model S · 2012–2020 · US
- Tesla Model S · 2012–2014 · US
- Tesla Model S · 2021–2023 · US
- Tesla Model X · 2016–2020 · US
- Tesla Model X · 2021–2023 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication PDF 10247842: ManualQ, published November 22, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10247842-9999.pdf
- NHTSA Manufacturer Communication PDF 10251047: Owners documentation, published January 18, 2024: https://static.nhtsa.gov/odi/tsbs/2024/MC-10251047-9999.pdf
- NHTSA Manufacturer Communication PDF 10253658: Index373, published March 26, 2024: https://static.nhtsa.gov/odi/tsbs/2024/MC-10253658-9999.pdf
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified official NHTSA-hosted Tesla manufacturer communications state that BMS_u032 concerns a high-voltage battery fuse near the end of its lifetime. They recommend scheduling service as soon as possible for replacement and state that the vehicle is OK to drive in the meantime, with possible reduced speed and acceleration. Example: https://static.nhtsa.gov/odi/tsbs/2023/MC-10247842-9999.pdf
- NHTSA: NHTSA Manufacturer Communication PDF 10247390: Documentation · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10247392: DocumentationB · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10247394: DocumentationD · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10247396: DocumentationF · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10247835: ManualK · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10247840: ManualO · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10247842: ManualQ · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10250487: ManualG · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10251047: Owners documenta · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10251048: Owners documenta · official_tsb
19. Frequently asked questions
What does Tesla BMS_u032 mean?
It means a fuse in the vehicle’s high-voltage battery is very near the end of its lifetime and requires replacement.
Can I drive with BMS_u032?
Yes. Tesla documentation states that the vehicle is OK to drive in the meantime, although reduced speed and acceleration may occur.
Should I schedule service for BMS_u032?
Yes. Tesla recommends scheduling service as soon as possible to have the high-voltage battery fuse replaced.
Can I charge with BMS_u032?
Not yet established by verified evidence.
20. Sources & verification
- NHTSA: NHTSA Manufacturer Communication PDF 10247390: Documentation · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247392: DocumentationB · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247394: DocumentationD · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247396: DocumentationF · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247835: ManualK · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247840: ManualO · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247842: ManualQ · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10250487: ManualG · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10251047: Owners documenta · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10251048: Owners documenta · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10251058: Owners documenta · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10251060: Owners documenta · 2024
Show all 18 verified sources
- NHTSA: NHTSA Manufacturer Communication PDF 10252949: developA · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10252951: developC · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10252957: developG · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10252958: developH · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10253658: Index373 · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10253660: Index381 · 2024