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BMS_a117 — SW Delta SOC Weak Short

Full alert identifier: BMS_a117_SW_Delta_SOC_Weak_Short

Some fields retain information from an earlier alert reference.

Alert description

A given brick has an alpha signal below the alert alpha threshold.

Potential impact

This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.

Set condition

The computed alpha estimate for a brick is repeatedly below the alert alpha threshold. The threshold comes over the Controller Area Network (CAN) via signal MCU_dSocAlertThreshold.

Clear condition

The CLEAR_SOC1_SNAPSHOT UDS StartRoutine is invoked.

Signals to check

These diagnostic fields are associated with BMS_a117. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Brick ID BMS_a117_brickID —
Brick Soc 2 BMS_a117_brickSoc2 —
D Soc Alert Threshold BMS_a117_dSocAlertThreshold —
D Soc Alpha BMS_a117_dSocAlpha —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a117.

Browse all BMS alert codes