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BMS_a066 — SOC Imbalance Warning

Full alert identifier: BMS_a066_SOC_Imbalance_Warning

Alert description

This alert is an early warning for a064 SOC Imbalance, which limits the battery's max SOC. It triggers with a lower threshold than SOC imbalance

Potential impact

Indication that brick imbalance is increasing and may result in a064, which limits max charge

Set condition

The estimated imbalance between average SOC and min SOC > SOC_IMBALANCE_WARNING_SET_THRESHOLD

Clear condition

The estimated imbalance between average SOC and min SOC < (SOC_IMBALANCE_WARNING_SET_THRESHOLD - SOC_IMBALANCE_CLEAR_HYSTERESIS)

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_a066_avgBrickSoc PCT
Max Brick Soc BMS_a066_maxBrickSoc PCT
Max Brick Soc By Ocv Min BMS_a066_maxBrickSocByOcvMin PCT
Min Brick Soc By Ocv Max BMS_a066_minBrickSocByOcvMax PCT
Signal Unit
Max Brick Soc Id BMS_a066_maxBrickSocId —
Min Brick Soc Id BMS_a066_minBrickSocId —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a066.

Browse all BMS alert codes