TESLA Fault

BMS-F052

BMS_f052_SW_Charger_MIA

Also written as BMS_F052 / BMS F052 / BMS_f052_SW_Charger_MIA / bms_f052_sw_charger_mia

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-F052 mean?

Tesla fault code in the Battery Management System (BMS) module. The battery management system (BMS) has detected that communication with the charger is missing (MIA).

Original Description

The battery management system (BMS) has detected that communication with the charger is missing (MIA).

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Charging does not begin when plugged in
  • Charging stops unexpectedly after a few minutes
  • Tesla app shows charging unavailable or connection error

How to Diagnose and Resolve

  1. 1 Try a different charging cable and charging station
  2. 2 Reboot the vehicle: hold brake + scroll wheels for 10 seconds
  3. 3 Disconnect and reconnect the charge cable after reboot
  4. 4 Check for pending software updates โ€” charger communication issues are sometimes firmware-related
  5. 5 If the alert persists across multiple chargers and locations, schedule Tesla Service

Severity Notes

BMS-F052 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†’