BMS-F051
BMS_f051_SW_Current_Sensor_MIA
Also written as BMS_F051 / BMS F051 / BMS_f051_SW_Current_Sensor_MIA / bms_f051_sw_current_sensor_mia
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-F051 mean?
Tesla fault code in the Battery Management System (BMS) module. This fault indicates there is a high voltage (HV) battery internal current sensor communication problem.
Original Description
This fault indicates there is a high voltage (HV) battery internal current sensor communication problem.
Affected Tesla Models
What You May Notice
- Battery state-of-charge readings jump erratically
- Range estimate is unreliable or swings widely
- Charging may stop at unexpected percentages
How to Diagnose and Resolve
- 1 Reboot the vehicle: hold brake + scroll wheels for 10 seconds
- 2 If alert clears, perform a full charge cycle to recalibrate the battery
- 3 Avoid relying on range estimates until confirmed accurate
- 4 If alert persists, schedule Tesla Service
- 5 Current sensor replacement is typically required — this is a straightforward repair at Tesla Service Center
Severity Notes
BMS-F051 is classified as a Fault, indicating a critical issue in the Battery Management System system. Do not continue driving and contact Tesla Service immediately.