TESLA Fault

BMS-F109

BMS_f109_SW_Bleed_Resistor

Also written as BMS_F109 / BMS F109 / BMS_f109_SW_Bleed_Resistor / bms_f109_sw_bleed_resistor

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

Why does the exact Tesla alert ID matter?

Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.

What does BMS-F109 mean?

Tesla fault code in the Battery Management System (BMS) module. The Battery Management System (BMS) has detected an issue with the bleed resistor.

Original Description

The Battery Management System (BMS) has detected an issue with the bleed resistor.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Red warning light on dashboard: The Battery Management System (BMS) has detected an issue with the bleed resistor.
  • Vehicle may refuse to drive or charge until the fault is cleared
  • Sudden power reduction or shutdown may occur while driving

How to Diagnose and Resolve

  1. 1 Stop driving immediately and move to a safe location
  2. 2 Do not attempt to charge the vehicle โ€” active fault: "The Battery Management System (BMS) has detected an issue wi"
  3. 3 Call Tesla Roadside Assistance (+1-877-798-3752) for a flatbed tow
  4. 4 At the Service Center, Tesla technicians will inspect the HV battery pack and BMS firmware

Severity Notes

BMS-F109 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 โ†’