BMS-W074
BMS_w074_SW_Charging
Also written as BMS_W074 / BMS W074 / BMS_w074_SW_Charging / bms_w074_sw_charging
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-W074 mean?
Tesla warning code in the Battery Management System (BMS) module. The Battery Management System (BMS) has detected that there has been an issue while charging and has stopped charging. If this alert is present, there may be an issue with the power source or the charger.
Original Description
The Battery Management System (BMS) has detected that there has been an issue while charging and has stopped charging. If this alert is present, there may be an issue with the power source or the charger.
Affected Tesla Models
What You May Notice
- Battery management warning: The Battery Management System (BMS) has detected that there has been an issue while charging and has stopped charging. I
- 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-W074 is a Warning in the Battery Management System system. Schedule service soon. Monitor your vehicle for additional warnings.