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BMS_a164 — SW Uncontrolled Regen

Full alert identifier: BMS_a164_SW_Uncontrolled_Regen

Message shown in the car

Unable to drive PULL OVER SAFELY

Alert description

The Battery Management System (BMS) detects an uncontrolled regen event.

Potential impact

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

Set condition

The BMS detects regen power above the maximum threshold while in drive.

Clear condition

The BMS detects regen power within the threshold while in drive.

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
Regen Power BMS_a164_regenPower W

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a164.

Browse all BMS alert codes