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BMS_a019 — SW Module OT

Full alert identifier: BMS_a019_SW_Module_OT

Message shown in the car

Vehicle system temperature high

Alert description

A battery management board (BMB) has detected an over temperature condition in a battery module.

Potential impact

Inability to charge, drive, or support the Low Voltage (LV) system

Set condition

A module thermistor has reported a higher temperature than expected.

Clear condition

BMB detects that all battery modules are reporting the acceptable level of temperature.

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
Active Cooling Target BMS_a019_activeCoolingTarget C
Coolant Inlet T BMS_a019_coolantInletT C
Max Brick T BMS_a019_maxBrickT C
Signal Unit
Max Brick TID BMS_a019_maxBrickTID —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a019.

Browse all BMS alert codes