BMS_a099_SW_BMB_Communication

The battery management system (BMS) cannot communicate with all of the battery monitoring boards (BMBs).

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

This alert is primarily informational, and may indicate a loss of BMB sensor data

Description

The battery management system (BMS) cannot communicate with all of the battery monitoring boards (BMBs).

Cause

A communication issue with the BMB daisy chain is detected.

Clear condition

No communication issues with the BMB daisy chain have been detected.

Models

Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+

Visibility

service

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