BMS family
BMS_f156_SW_BMB_Vref_bad
Service is required
What does the BMS_f156_SW_BMB_Vref_bad alert mean?
The battery management system (BMS) has detected a battery monitoring board (BMB) voltage reference is unstable.
What you'll see in your Tesla
- Service is required
- Schedule service
What triggers it
The BMS detects a BMB voltage reference is unstable.
When it clears
The BMS detects that the condition clears.
Potential impact
This alert is primarily informational.
Affected models
Model S 2012-2020
Model X 2015-2020
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