BMS-F011
BMS_f011_HW_Illegal_Ctr_Req
Also written as BMS_F011 / BMS F011 / BMS_f011_HW_Illegal_Ctr_Req / bms_f011_hw_illegal_ctr_req
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-F011 mean?
Tesla fault code in the Battery Management System (BMS) module. The battery management system (BMS) has detected that there are system faults and has prevented the high voltage (HV) contactors from closing.
Original Description
The battery management system (BMS) has detected that there are system faults and has prevented the high voltage (HV) contactors from closing.
Affected Tesla Models
What You May Notice
- Car will not start even though 12V battery appears fine
- No power to drive systems
- Multiple warning alerts appear together on touchscreen
How to Diagnose and Resolve
- 1 Check for other active alerts on the touchscreen — BMS_f011 is often accompanied by additional codes
- 2 Do not attempt repeated restarts
- 3 Perform a single reboot attempt: hold brake + scroll wheels for 10 seconds
- 4 If vehicle remains non-operational, call Tesla Roadside Assistance for flatbed tow
- 5 Service Center will clear underlying faults before allowing contactors to close
Severity Notes
BMS-F011 is classified as a Fault, indicating a critical issue in the Battery Management System system. Do not continue driving and contact Tesla Service immediately.