TESLA Warning
BMS_w034
BMS_w034_SW_Isolation_Sensor
What does BMS_w034 mean?
Tesla warning code in the Battery Management System (BMS) module. The Battery Management System (BMS) has detected that there is a high voltage (HV) battery isolation sensor error.
Original Description
The Battery Management System (BMS) has detected that there is a high voltage (HV) battery isolation sensor error.
Severity Notes
BMS_w034 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.