BMS-W102
BMS_w102_HW_BMB_Thermal_Shutdown
Also written as BMS_W102 / BMS W102 / BMS_w102_HW_BMB_Thermal_Shutdown / bms_w102_hw_bmb_thermal_shutdown
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-W102 mean?
Tesla warning code in the Battery Management System (BMS) module. The Battery Management System (BMS) has detected that the there has been a thermal shutdown on the Battery Monitor Board (BMB).
Original Description
The Battery Management System (BMS) has detected that the there has been a thermal shutdown on the Battery Monitor Board (BMB).
Affected Tesla Models
What You May Notice
- Battery management warning: The Battery Management System (BMS) has detected that the there has been a thermal shutdown on the Battery Monitor Board
- Charging speed may be limited or sessions interrupted early
- Reduced estimated range may appear on the touchscreen
How to Diagnose and Resolve
- 1 Perform a soft reboot: hold both scroll wheels until the screen restarts
- 2 Try a full charge cycle to recalibrate the BMS
- 3 If "The Battery Management System (BMS) has detected t" persists after reboot, schedule a Tesla Service appointment
- 4 Avoid DC fast charging until the issue is resolved
Severity Notes
BMS-W102 is a Warning in the Battery Management System system. Schedule service soon. Monitor your vehicle for additional warnings.