MyTeslaMate
VCLEFT family

VCLEFT_a545_LVBatteryTypeUnknown

Not Available

What does the VCLEFT_a545_LVBatteryTypeUnknown alert mean?

The low voltage (LV) battery type detected on startup is unknown. This usually happens the first time a controller is powered on, or after non-volatile memory (NVM) corruption, which will be indicated by another alert.

What you'll see in your Tesla

  • Not Available

What triggers it

The LV battery type detected on startup is unknown.

When it clears

The LV battery type detected on startup is no longer unknown. This can happen if the controller is reset after seeing a valid vehicle gateway (GTW) configuration value for the LV battery.

Potential impact

LV battery performance may be limited. LV battery support for vehicle electrical systems may be limited or unavailable.

Affected models

Model 3 2017-2023 Model 3 2024+ Model S 2021+ Model X 2021+ Model Y Model Y 2025+

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.