Skip to content

BMS_f108 — HW BMB Alarm Self Test

Full alert identifier: BMS_f108_HW_BMB_Alarm_Self_Test

Message shown in the car

Service is required Schedule service

Alert description

The battery management system (BMS) has detected a battery monitoring board (BMB) fails the wake up alarm self test.

Potential impact

Inability to charge, drive, or support the low voltage (LV) system

Set condition

The BMS detects an issue with the BMB wake up alarm self-test.

Clear condition

The BMS detects that the issue clears.

Signals to check

These diagnostic fields are associated with BMS_f108. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
BM Balert Reg BMS_a108_BMBalertReg
0
FAULT INTERNAL
1
ALERT SLEEP
—
Bmb ID BMS_a108_bmbID —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f108.

Browse all BMS alert codes