TESLA Fault

BMS-F125

BMS_f125_SW_BMS_Ctr_Curr_Sensor

Also written as BMS_F125 / BMS F125 / BMS_f125_SW_BMS_Ctr_Curr_Sensor / bms_f125_sw_bms_ctr_curr_sensor

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-F125 mean?

Tesla fault code in the Battery Management System (BMS) module. The Battery Management System (BMS) has detected that the contactor coil current sensor is not responding.

Original Description

The Battery Management System (BMS) has detected that the contactor coil current sensor is not responding.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Red warning light on dashboard: The Battery Management System (BMS) has detected that the contactor coil current sensor is not responding.
  • 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 that the co"
  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-F125 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†’