TESLA Warning

BMS-W080

BMS_w080_SW_Int_HV_Disconnect

Also written as BMS_W080 / BMS W080 / BMS_w080_SW_Int_HV_Disconnect / bms_w080_sw_int_hv_disconnect

System
BMS
Battery Management System
Type
Warning
Category
Battery
Severity
Warning

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-W080 mean?

Tesla warning code in the Battery Management System (BMS) module. The Battery Management System (BMS) has detected that the high voltage (HV) system has been disconnected.

Original Description

The Battery Management System (BMS) has detected that the high voltage (HV) system has been disconnected.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Battery management warning: The Battery Management System (BMS) has detected that the high voltage (HV) system has been disconnected.
  • Charging speed may be limited or sessions interrupted early
  • Reduced estimated range may appear on the touchscreen

How to Diagnose and Resolve

  1. 1 Perform a soft reboot: hold both scroll wheels until the screen restarts
  2. 2 Try a full charge cycle to recalibrate the BMS
  3. 3 If "The Battery Management System (BMS) has detected t" persists after reboot, schedule a Tesla Service appointment
  4. 4 Avoid DC fast charging until the issue is resolved

Severity Notes

BMS-W080 is a Warning in the Battery Management System system. Schedule service soon. Monitor your vehicle for additional warnings.

Other BMS Codes

View all BMS codes →