Tesla BMS_u031
Battery fuse requires replacement soon OK to drive - Schedule service
Common search variants: BMSu031 · BMS-u031 · BMS u031 · Search ignores case and common separators.
Quick answer
BMS_u031 means a fuse in the high-voltage battery is very near the end of its lifetime and requires replacement. Tesla’s owner documentation states that it is OK to drive and recommends scheduling service as soon as possible for high-voltage battery fuse replacement.
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1. What does BMS_u031 mean?
BMS_u031 means a fuse in the high-voltage battery is very near the end of its lifetime and requires replacement. Tesla’s owner documentation states that it is OK to drive and recommends scheduling service as soon as possible for high-voltage battery fuse replacement.
2. Technical explanation
This is a Tesla OEM alert concerning a fuse within the vehicle’s high-voltage battery. Verified Tesla owner-documentation communications filed with NHTSA state that the fuse is very near the end of its lifetime and requires replacement.
3. What system is affected?
High-voltage battery fuse.
4. How serious is this code?
The database severity is listed as unknown. However, verified Tesla documentation recommends scheduling service as soon as possible.
5. Symptoms you may notice
- The BMS_u031 alert: “Battery fuse requires replacement soon OK to drive - Schedule service.”
6. Possible causes
- A fuse in the high-voltage battery is very near the end of its lifetime and requires replacement.
7. Can I still drive the vehicle?
Yes. The verified Tesla alert explicitly states “OK to drive.”
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 to have the high-voltage battery fuse replaced.
- Do not attempt to replace or access the high-voltage battery fuse yourself.
10. Step-by-step troubleshooting
- Review the active BMS_u031 alert in the vehicle.
- Arrange service for professional high-voltage battery fuse replacement. No owner-performed diagnostic or repair procedure is established by the verified evidence.
11. When to contact service
Schedule Tesla service as soon as possible. The verified documentation specifically recommends service to replace the high-voltage battery fuse.
12. What the service center may check
- Confirm the BMS_u031 alert and assess the high-voltage battery fuse using appropriate professional service procedures.
- Replace the high-voltage battery fuse as indicated by Tesla’s owner documentation.
13. Possible repair or resolution
- Replacement of the high-voltage battery fuse by service personnel.
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 10253660, published March 26, 2024: https://static.nhtsa.gov/odi/tsbs/2024/MC-10253660-9999.pdf
- NHTSA Manufacturer Communication 10253658, published March 26, 2024: https://static.nhtsa.gov/odi/tsbs/2024/MC-10253658-9999.pdf
- NHTSA Manufacturer Communication 10252957, published February 13, 2024: https://static.nhtsa.gov/odi/tsbs/2024/MC-10252957-9999.pdf
- NHTSA Manufacturer Communication 10252958, published February 13, 2024: https://static.nhtsa.gov/odi/tsbs/2024/MC-10252958-9999.pdf
- NHTSA Manufacturer Communication 10251060, published January 28, 2024: https://static.nhtsa.gov/odi/tsbs/2024/MC-10251060-9999.pdf
- NHTSA Manufacturer Communication 10247842, published November 22, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10247842-9999.pdf
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified NHTSA-hosted Tesla owner-documentation communications describe BMS_u031 as a high-voltage battery fuse nearing the end of its lifetime. Verified applicability is Tesla Model 3 (2017–2023), Model S (2012–2023), and Model X (2016–2023) in the United States. Source: 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_u031 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_u031?
Yes. The verified Tesla alert states “OK to drive.”
What should I do when BMS_u031 appears?
Tesla documentation recommends scheduling service as soon as possible to have the high-voltage battery fuse replaced.
Can I charge with BMS_u031?
Not yet established by verified evidence.
Which vehicles are verified as applicable?
Tesla Model 3 model years 2017–2023, Model S model years 2012–2023, and Model X model years 2016–2023, all for the US region.
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