TESLA Warning
BMS_w151
BMS_w151_SW_external_isolation
What does BMS_w151 mean?
Tesla warning code in the Battery Management System (BMS) module. The Battery Management System (BMS) has detected that there is an isolation issue external to the high voltage (HV) battery.
Original Description
The Battery Management System (BMS) has detected that there is an isolation issue external to the high voltage (HV) battery.
Severity Notes
BMS_w151 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.