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VCBATT_a533 — LV Battery Vitals

Full alert identifier: VCBATT_a533_LVBatteryVitals

Alert description

Captures LV battery health data during firmware updates. The firmware update window (HV contactors open, LV battery sole power source) is the only repeatable, fleet-wide event where the battery runs unsupported under load. This alert instruments that window to detect weak batteries before they fail.

Potential impact

This information is not available in the alert reference.

Set condition

This information is not available in the alert reference.

Clear condition

This information is not available in the alert reference.

Signals to check

These diagnostic fields are associated with VCBATT_a533. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Min Cell Index VCBATT_a533_minCellIndex —
Min Cell V End VCBATT_a533_minCellVEnd —
Soc End VCBATT_a533_socEnd —
Temperature VCBATT_a533_temperature —
V End VCBATT_a533_vEnd —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT_a533.

Browse all VCBATT alert codes