Skip to content

BMS_a064 — SW SOC Imbalance

Full alert identifier: BMS_a064_SW_SOC_Imbalance

Alert description

The Battery Management System (BMS) detects a possible state of charge (SOC) imbalance.

Potential impact

Maximum SOC is reduced to 50%.

Set condition

The BMS detects that the difference between the most-charged brick and the least-charge brick in the high voltage (HV) pack is greater than the acceptable threshold.

Clear condition

The BMS has detected that the difference between the maximum brick voltage and the minimum brick voltage is below the acceptable threshold.

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
Avg Brick SOC BMS_a064_avgBrickSOC PCT
Max Brick SOC BMS_a064_maxBrickSOC PCT
Min Brick SOC BMS_a064_minBrickSOC PCT
Signal Unit
Max Brick SOCID BMS_a064_maxBrickSOCID —
Min Brick SOCID BMS_a064_minBrickSOCID —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a064.

Browse all BMS alert codes