TESLA Fault
BMS-F141
BMS_f141_SW_12V_Pwr_Supply_Low
Also written as BMS_F141 / BMS F141 / BMS_f141_SW_12V_Pwr_Supply_Low / bms_f141_sw_12v_pwr_supply_low
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-F141 mean?
Tesla fault code in the Battery Management System (BMS) module. There is a contactor issue because of the low contactor power or the 12V battery has broken down.
Original Description
There is a contactor issue because of the low contactor power or the 12V battery has broken down.
Affected Tesla Models
Model SModel XModel 3Model YCybertruck
What You May Notice
- Red warning light on dashboard: There is a contactor issue because of the low contactor power or the 12V battery has broken down.
- Vehicle may refuse to drive or charge until the fault is cleared
- Sudden power reduction or shutdown may occur while driving
How to Diagnose and Resolve
- 1 Stop driving immediately and move to a safe location
- 2 Do not attempt to charge the vehicle — active fault: "There is a contactor issue because of the low contactor powe"
- 3 Call Tesla Roadside Assistance (+1-877-798-3752) for a flatbed tow
- 4 At the Service Center, Tesla technicians will inspect the HV battery pack and BMS firmware
Severity Notes
BMS-F141 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 →