TESLA Fault

BMS-F019

BMS_f019_SW_BMB_Module_OT

Also written as BMS_F019 / BMS F019 / BMS_f019_SW_BMB_Module_OT / bms_f019_sw_bmb_module_ot

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-F019 mean?

Tesla fault code in the Battery Management System (BMS) module. A Battery Management Board (BMB) has detected an over temperature condition in a battery module.

Original Description

A Battery Management Board (BMB) has detected an over temperature condition in a battery module.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Battery temperature warning appears on touchscreen
  • Reduced charging speed or charging stops
  • Vehicle may limit performance to protect the battery

How to Diagnose and Resolve

  1. 1 Stop driving and park in a cool, shaded area
  2. 2 Allow battery to cool — use Tesla app to turn on climate control remotely
  3. 3 Do not charge until temperature warning clears
  4. 4 If the vehicle has been parked in extreme heat (>40°C/104°F), allow several hours to cool
  5. 5 Contact Tesla Service if the alert persists after cooling

Severity Notes

BMS-F019 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 →