TESLA Fault

BMS_f066

BMS_f066_SW_High_Brick_Imp

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

What does BMS_f066 mean?

Tesla fault code in the Battery Management System (BMS) module. The Battery Management System (BMS) has detected that there is a high brick resistance. If this alert is present, there may have been a bad module installed into the vehicle upon replacement. There may be lost cell connections and/or uneven cell impedance aging.

Original Description

The Battery Management System (BMS) has detected that there is a high brick resistance. If this alert is present, there may have been a bad module installed into the vehicle upon replacement. There may be lost cell connections and/or uneven cell impedance aging.

Severity Notes

BMS_f066 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.