BMS-F104
BMS_f104_HW_BMB_Enumeration
Also written as BMS_F104 / BMS F104 / BMS_f104_HW_BMB_Enumeration / bms_f104_hw_bmb_enumeration
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does BMS-F104 mean?
Tesla fault code in the Battery Management System (BMS) module. The Battery Management System (BMS) has detected that the Battery Monitoring Board (BMB) is not able to enumerate and get its address. If this alert is present, there may be an issue with the BMS addressing individual BMBs.
Original Description
The Battery Management System (BMS) has detected that the Battery Monitoring Board (BMB) is not able to enumerate and get its address. If this alert is present, there may be an issue with the BMS addressing individual BMBs.
Affected Tesla Models
What You May Notice
- Red warning light on dashboard: The Battery Management System (BMS) has detected that the Battery Monitoring Board (BMB) is not able to enumerate and ge
- Vehicle may refuse to drive or charge until the fault is cleared
- Sudden power reduction or shutdown may occur while driving
How to Diagnose and Resolve
- 1 Stop driving immediately and move to a safe location
- 2 Do not attempt to charge the vehicle — active fault: "The Battery Management System (BMS) has detected that the Ba"
- 3 Call Tesla Roadside Assistance (+1-877-798-3752) for a flatbed tow
- 4 At the Service Center, Tesla technicians will inspect the HV battery pack and BMS firmware
Severity Notes
BMS-F104 is classified as a Fault, indicating a critical issue in the Battery Management System system. Do not continue driving and contact Tesla Service immediately.