VCLEFT_a199_discnctdLVBattery
Low voltage battery disconnected
What does the VCLEFT_a199_discnctdLVBattery alert mean?
The low voltage (LV) battery is disconnected.
What you'll see in your Tesla
- Low voltage battery disconnected
- Reconnect low voltage battery or schedule service
What triggers it
No current flow detected to / from the low voltage (LV) battery for an extended time period.
When it clears
Current flow detected to / from the low voltage (LV) battery.
Potential impact
Loss of support from the low voltage (LV) battery, so the vehicle electrical system is only supported via the power conversion system (PCS). Lead acid only: Some vehicle features may be unavailable due to load shedding. There should be another alert present to indicate this.
Affected models
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Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.