TESLA Fault

BMS-F047

BMS_f047_SW_Memory_Error

Also written as BMS_F047 / BMS F047 / BMS_f047_SW_Memory_Error / bms_f047_sw_memory_error

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-F047 mean?

Tesla fault code in the Battery Management System (BMS) module. There is a high voltage (HV) battery management system (BMS) error detected.

Original Description

There is a high voltage (HV) battery management system (BMS) error detected.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Vehicle may show erratic battery range or incorrect state-of-charge readings
  • Charging behavior may be inconsistent
  • Dashboard warning about battery system

How to Diagnose and Resolve

  1. 1 Perform a full power cycle: park, turn off, wait 2 minutes, restart
  2. 2 Check for and install any pending software updates
  3. 3 If alert persists, avoid DC fast charging until inspected
  4. 4 Schedule a Tesla Service appointment
  5. 5 Technician will perform a BMS firmware reflash or BMS hardware replacement

Severity Notes

BMS-F047 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

BMS_a001 BMS_a002 Tesla alert code in the Battery Management System (BMS) modu... BMS_a003 Tesla alert code in the Battery Management System (BMS) modu... BMS_a004 Tesla alert code in the Battery Management System (BMS) modu... BMS_a007 Tesla alert code in the Battery Management System (BMS) modu... BMS_a016 Tesla alert code in the Battery Management System (BMS) modu... BMS_a017 BMS_a018
View all BMS codes →