TESLA Warning

BMS_w008

BMS_w008_HW_HVIL

System
BMS
Battery Management System
Type
Warning
Category
Battery
Severity
Warning

What does BMS_w008 mean?

Tesla warning code in the Battery Management System (BMS) module. The Battery Management System (BMS) is reporting that there is a hardware issue with the high voltage interlocking loop (HVIL). If this alert is present, the vehicle may have been in Drive and the contactors did not open. Once the vehicle exits Drive, the alert will become a fault while in support mode, and the vehicle may not be able to support 12V, charge, or re-enter Drive.

Original Description

The Battery Management System (BMS) is reporting that there is a hardware issue with the high voltage interlocking loop (HVIL). If this alert is present, the vehicle may have been in Drive and the contactors did not open. Once the vehicle exits Drive, the alert will become a fault while in support mode, and the vehicle may not be able to support 12V, charge, or re-enter Drive.

Severity Notes

BMS_w008 is a Warning in the Battery Management System system. Schedule service soon. Monitor your vehicle for additional warnings.

Other BMS Codes

BMS_a001 BMS_a002 The Gateway packPerformanceDeviation config does not match t... BMS_a003 BMS was unable to read a pack birth date from the calibratio... BMS_a004 The pack hot seal test has not completed in the lifetime of ... BMS_a007 Charge rate is limited until cell temperatures increase... BMS_a016 The module IDs do not match the pack type set by the config ... BMS_a017 BMS_a018
View all BMS codes →

Tesla alert codes sourced from the community-maintained Tesla Alerts Dictionary. This information is for educational purposes only. Always consult Tesla Service for official diagnosis and repairs.