BMS family
BMS_w011_HW_Illegal_Ctr_Req
Not Available
What does the BMS_w011_HW_Illegal_Ctr_Req alert mean?
The battery management system (BMS) detects that there are system faults and prevents the pack contactors from closing.
What you'll see in your Tesla
- Not Available
What triggers it
The complex programmable logic device (CPLD) detects a condition that prevents pack contactors from closing. Alert log signal data provides information on the specific condition(s) detected
When it clears
The CPLD detects that the condition clears.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Affected models
Model S 2012-2020
Model X 2015-2020
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.