BMS_a077 — SW Charger Regulation

Full alert identifier: BMS_a077_SW_Charger_Regulation

Alert description

The Battery Management System (BMS) has stopped charging because the maximum brick voltage within the High Voltage (HV) battery or the charge current exceeded the target values for too long.

Potential impact

Charging is temporarily unavailable.

Set condition

While charging, the maximum brick voltage or charge current exceeded the target value for too long.

Clear condition

The BMS reports the brick voltage or charge current is less than the maximum target value and charging ends.

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
Max Brick V `BMS_a077_maxBrickV`	V
Max Brick V Target `BMS_a077_maxBrickVTarget`	V
Pack Current `BMS_a077_packCurrent`	A
Pack Target Current `BMS_a077_packTargetCurrent`	A

Signal	Unit
Charge Err Type `BMS_a077_chargeErrType` 0 CURRENT HIGH 1 OVERCHARGE	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a077.