VCLEFT_a528_LVBatteryCommsDiscnctd
Low voltage battery disconnected
What does the VCLEFT_a528_LVBatteryCommsDiscnctd alert mean?
The low voltage (LV) battery is not communicating as expected, indicating a potential disconnection with the vehicle controller.
What you'll see in your Tesla
- Low voltage battery disconnected
- Reconnect low voltage battery or schedule service
What triggers it
Electronic connector position assurance (ECPA) state is signal not available (SNA), or the intelligent battery sensor (IBS) is not functioning as expected and the low voltage battery management system (LVBMS) is not communicating (MIA).
When it clears
LV battery communication with vehicle controller is restored.
Potential impact
Loss of low voltage (LV) battery communication with vehicle controller, so the vehicle electrical system may only be supported via the power conversion system (PCS).
Affected models
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