MyTeslaMate
VCLEFT family

VCLEFT_a476_LVBMSMIA

Low voltage battery disconnected

What does the VCLEFT_a476_LVBMSMIA alert mean?

One or more of the messages the vehicle controller receives periodically from the Low Voltage Battery Management System (LVBMS) is not received, indicating the LVBMS may be unavailable (MIA).

What you'll see in your Tesla

  • Low voltage battery disconnected
  • Reconnect low voltage battery or schedule service

What triggers it

The vehicle controller does not receive one or more of the expected messages from LVBMS within the expected time frame over the local interconnect network (LIN).

When it clears

The vehicle controller starts receiving the expected messages from LVBMS over LIN.

Potential impact

Vehicle functions that depend on the low voltage battery controllers may be unavailable or may not function as expected.

Affected models

Cybertruck

Track your Tesla's alerts automatically

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.