TESLA Fault

BMS-F054

BMS_f054_SW_Current_Sensor

Also written as BMS_F054 / BMS F054 / BMS_f054_SW_Current_Sensor / bms_f054_sw_current_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-F054 mean?

Tesla fault code in the Battery Management System (BMS) module. There is a high voltage (HV) battery internal current sensor error.

Original Description

There is a high voltage (HV) battery internal current sensor error.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • State-of-charge readings are inaccurate
  • Range estimate fluctuates during a single drive
  • Charging may stop at wrong percentages

How to Diagnose and Resolve

  1. 1 Reboot the vehicle
  2. 2 Perform a full charge cycle: charge to 100%, then drive to below 10%, then charge to 100% again to recalibrate
  3. 3 Check for software updates
  4. 4 If readings remain inaccurate after recalibration, schedule Tesla Service
  5. 5 Current sensor replacement is a common and effective fix

Severity Notes

BMS-F054 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 →