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Tesla BMS_u030

Charging adapter has electric arc flash hazard Use different charging equipment

Common search variants: BMSu030 · BMS-u030 · BMS u030 · Search ignores case and common separators.

DriveYes. Official Tesla owner-documentation communications submitted to NHTSA state that the vehicle is OK to drive.
ChargeYes, the vehicle is stated to be OK to charge, but charging is unavailable with the third-party CCS adapter for which the hazard was detected. Use different charging equipment.
ServiceNot yet established by verified evidence for BMS_u030.
Confidence95%

Quick answer

BMS_u030 means charging is unavailable because the vehicle detected an electric arc-flash hazard in a third-party adapter used to connect a CCS charge handle to the Tesla charge port. Use different charging equipment.

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_u030 mean?

BMS_u030 means charging is unavailable because the vehicle detected an electric arc-flash hazard in a third-party adapter used to connect a CCS charge handle to the Tesla charge port. Use different charging equipment.

2. Technical explanation

Verified Tesla owner-documentation communications filed with NHTSA describe BMS_u030 as an alert for a detected electric arc-flash hazard in a third-party CCS charging adapter. The alert blocks charging with that equipment.

3. What system is affected?

Charging equipment interface: a third-party adapter used between a Combined Charging System (CCS) charge handle and the Tesla charge port.

4. How serious is this code?

The database severity value is unknown. However, the alert specifically identifies an electric arc-flash hazard and charging is unavailable with the detected equipment.

5. Symptoms you may notice

  • BMS_u030 alert is displayed.
  • Charging is unavailable when using the affected third-party CCS charging adapter.

6. Possible causes

  • The vehicle has detected an electric arc-flash hazard in the third-party adapter used to connect a CCS charge handle to the vehicle charge port.

7. Can I still drive the vehicle?

Yes. Official Tesla owner-documentation communications submitted to NHTSA state that the vehicle is OK to drive.

8. Can I charge the vehicle?

Yes, the vehicle is stated to be OK to charge, but charging is unavailable with the third-party CCS adapter for which the hazard was detected. Use different charging equipment.

9. What you can safely do

  • Do not use the charging equipment associated with the alert.
  • Use different charging equipment.
  • Do not attempt high-voltage or adapter repair.

10. Step-by-step troubleshooting

  1. Stop using the third-party CCS adapter associated with the alert.
  2. Try different charging equipment. No further user troubleshooting is established by the verified evidence.

11. When to contact service

Not yet established by verified evidence for BMS_u030.

12. What the service center may check

  • Not yet established by verified evidence.

13. Possible repair or resolution

  • Use different charging equipment. Any specific repair or replacement procedure is not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication PDF 10253660: Index381, published March 26, 2024: https://static.nhtsa.gov/odi/tsbs/2024/MC-10253660-9999.pdf
  • NHTSA Manufacturer Communication PDF 10250483: ManualC, published December 1, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10250483-9999.pdf
  • NHTSA Manufacturer Communication PDF 10240951: Owner's Manual, published June 9, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10240951-9999.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Tesla BMS_u030 documentation is available through NHTSA manufacturer communications. Verified applicability in the supplied database is US-market Tesla Model 3 (2017–2023), Model S (2012–2023), and Model X (2016–2023).

19. Frequently asked questions

What does BMS_u030 mean?

It means the vehicle detected an electric arc-flash hazard in a third-party adapter used to connect a CCS charge handle to the Tesla charge port, and charging is unavailable with that equipment.

Can I drive with BMS_u030?

Yes. The official Tesla owner-documentation communications state that the vehicle is OK to drive.

Can I charge with BMS_u030?

The documentation states the vehicle is OK to charge, but charging is unavailable with the third-party CCS adapter that triggered the alert. Use different charging equipment.

Should I repair the adapter myself?

No repair procedure is established by the verified evidence. Do not attempt high-voltage or adapter repair.

20. Sources & verification

Verified
Show all 24 verified sources
Tesla BMS_u030: Charging adapter has electric arc flash hazard Use… | EV Diagnostics