TESLA Fault

BMS-F009

BMS_f009_SW_Pos_Contactor_Drive

Also written as BMS_F009 / BMS F009 / BMS_f009_SW_Pos_Contactor_Drive / bms_f009_sw_pos_contactor_drive

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-F009 mean?

Tesla fault code in the Battery Management System (BMS) module. There is an issue with the positive contactor drive circuit.

Original Description

There is an issue with the positive contactor drive circuit.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Vehicle will not start or power on
  • You may hear one click from the battery area instead of two (contactors failing to engage)
  • Tesla app shows vehicle unavailable

How to Diagnose and Resolve

  1. 1 Perform a full power cycle: hold brake + both scroll wheels for 10 seconds
  2. 2 Wait 5 minutes with all doors closed, then try to start
  3. 3 If vehicle still will not power on, do not continue attempts
  4. 4 Contact Tesla Service — contactor drive circuit issues require professional diagnosis
  5. 5 Technician will test the contactor control circuitry and replace if necessary

Severity Notes

BMS-F009 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 →