Skip to content

BMS_a065 — SW CAC Imbalance

Full alert identifier: BMS_a065_SW_CAC_Imbalance

Alert description

The Calculated Amp-hour Capacity (CAC) difference of bricks within a module exceeds the acceptable threshold. This results in reduced battery performance and limits maximum range.

Potential impact

Maximum charge and discharge current limits and maximum energy available are reduced, causing reduced battery performance and reduced maximum range.

Set condition

The estimated imbalance between the average CAC and minimum CAC within a single module exceeds the imbalance threshold.

Clear condition

The estimated imbalance between the average CAC and minimum CAC within a single module is within the acceptable imbalance 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 Cac BMS_a065_avgBrickCac Ah
Min Brick Cac BMS_a065_minBrickCac Ah
Mod Cac Imbalance Pct BMS_a065_modCacImbalancePct %
Signal Unit
Min Brick Cac Id BMS_a065_minBrickCacId —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a065.

Browse all BMS alert codes