The battery management system (BMS) has detected a battery monitoring board (BMB) fails the wake up alarm self test.
<0.01% (Extremely rare)
Service is required
Schedule service
Inability to charge, drive, or support the low voltage (LV) system
The battery management system (BMS) has detected a battery monitoring board (BMB) fails the wake up alarm self test.
The BMS detects an issue with the BMB wake up alarm self-test.
The BMS detects that the issue clears.
Model S 2012-2020, Model X 2015-2020
customer, service-fix
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