BMS-W107
BMS_w107_SW_Cell_Voltage_Sensor
Also written as BMS_W107 / BMS W107 / BMS_w107_SW_Cell_Voltage_Sensor / bms_w107_sw_cell_voltage_sensor
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-W107 mean?
Tesla warning code in the Battery Management System (BMS) module. The Battery Management System (BMS) has detected that there is a high voltage (HV) battery cell voltage sensor error.
Original Description
The Battery Management System (BMS) has detected that there is a high voltage (HV) battery cell voltage sensor error.
Affected Tesla Models
What You May Notice
- Battery management warning: The Battery Management System (BMS) has detected that there is a high voltage (HV) battery cell voltage sensor error.
- 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-W107 is a Warning in the Battery Management System system. Schedule service soon. Monitor your vehicle for additional warnings.