TESLA Fault

BMS_f089

BMS_f089_SW_THC_MIA

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

What does BMS_f089 mean?

Tesla fault code in the Battery Management System (BMS) module. The Battery Management System (BMS) detected that responses from the thermal controller (THC) was missing on the Controller Area Network (CAN) bus. If this alert is present, the BMS may not have been receiving the full set of messages it expects to receive from the THC for the 10x message period.

Original Description

The Battery Management System (BMS) detected that responses from the thermal controller (THC) was missing on the Controller Area Network (CAN) bus. If this alert is present, the BMS may not have been receiving the full set of messages it expects to receive from the THC for the 10x message period.

Severity Notes

BMS_f089 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.