TESLA Fault

BMS_f001

BMS_f001_HW_Over_Current

System
BMS
Battery Management System
Type
Fault
Category
Battery
Severity
Fault (Critical)

What does BMS_f001 mean?

Tesla fault code in the Battery Management System (BMS) module. The battery management system (BMS) has detected that the shunt has experienced an over current (HWOC) event. Be aware that with HWOC alerts there is a possibility that the contactors are welded without a BMS alert. This is because the HV Fuse blows before the BMS can make a calculation.

Original Description

The battery management system (BMS) has detected that the shunt has experienced an over current (HWOC) event. Be aware that with HWOC alerts there is a possibility that the contactors are welded without a BMS alert. This is because the HV Fuse blows before the BMS can make a calculation.

Severity Notes

BMS_f001 is classified as a Fault, indicating a critical issue in the Battery Management System system. Do not continue driving and contact Tesla Service immediately.

Other BMS Codes

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.