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BMS_a145 — SW SOC Change

Full alert identifier: BMS_a145_SW_SOC_Change

Alert description

A State of Charge (SOC) based on Open Circuit Voltage (OCV), known as SocByOcv, correction of greater than 3% to high voltage (HV) battery SOC occurred during the previous resting period (time vehicle was not used). This may cause a significant change in displayed range.

Potential impact

Significant change in displayed range (range variation) while the vehicle was not used.

Set condition

The Battery Management System (BMS) updated the high voltage (HV) battery State of Charge (SOC) by more than 3% based on SocByOcv (State of Charge by Open Circuit Voltage) while the vehicle rested (was not used).

Clear condition

This alert is primarily for logging purposes and should clear automatically.

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
Brick Change Hyst Ratio BMS_a145_brickChangeHystRatio
1023
SNA
Ratio
Max Soc Change BMS_a145_maxSocChange %
Signal Unit
Max Soc Change Brick ID BMS_a145_maxSocChangeBrickID —
Num Bricks Changed BMS_a145_numBricksChanged —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a145.

Browse all BMS alert codes