BMS family
BMS_w155_SW_BMB_Vref_leaky
Not Available
What does the BMS_w155_SW_BMB_Vref_leaky alert mean?
The battery management system (BMS) has detected a potential battery monitoring board (BMB) hardware issue related to the analog-to-digital converter (ADC) voltage reference (VREF).
What you'll see in your Tesla
- Not Available
What triggers it
The BMS has detected that several samples from the ADC do not match, which indicates a reference problem.
When it clears
The BMS detects that the condition clears.
Potential impact
This alert is primarily informational and is used for logging purposes.
Affected models
Model S 2012-2020
Model X 2015-2020
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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.