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BMS_f155 — SW BMB Vref leaky

Full alert identifier: BMS_f155_SW_BMB_Vref_leaky

Alert description

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).

Potential impact

This alert is primarily informational and is used for logging purposes.

Set condition

The BMS has detected that several samples from the ADC do not match, which indicates a reference problem.

Clear condition

The BMS detects that the condition clears.

Signals to check

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal Unit
Brick V Prev BMS_a155_brickVPrev V
Brick Vdelta BMS_a155_brickVdelta V
Signal Unit
Bmb ID BMS_a155_bmbID —
Brick VID BMS_a155_brickVID —
Brick Vsample BMS_a155_brickVsample —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f155.

Browse all BMS alert codes