BMS-W051
BMS_w051_SW_Current_Sensor_MIA
Also written as BMS_W051 / BMS W051 / BMS_w051_SW_Current_Sensor_MIA / bms_w051_sw_current_sensor_mia
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-W051 mean?
Tesla warning code in the Battery Management System (BMS) module. The Battery Management System (BMS) has not received a response from the internal high voltage (HV) battery current sensor and has reported the sensor as missing (MIA).
Original Description
The Battery Management System (BMS) has not received a response from the internal high voltage (HV) battery current sensor and has reported the sensor as missing (MIA).
Affected Tesla Models
What You May Notice
- Battery management warning: The Battery Management System (BMS) has not received a response from the internal high voltage (HV) battery current sens
- 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 not receiv" persists after reboot, schedule a Tesla Service appointment
- 4 Avoid DC fast charging until the issue is resolved
Severity Notes
BMS-W051 is a Warning in the Battery Management System system. Schedule service soon. Monitor your vehicle for additional warnings.