MyTeslaMate
VCFRONT family

VCFRONT_a392_TLVBMS_BmbHwUnderVoltageFault

Not Available

What does the VCFRONT_a392_TLVBMS_BmbHwUnderVoltageFault alert mean?

A Battery Monitoring Board (BMB) device has detected an under voltage condition

What you'll see in your Tesla

  • Not Available

What triggers it

Any BMB device in the daisy chain detects an under voltage condition

When it clears

No BMB devices in the daisy chain report an under voltage condition

Potential impact

May indicate the battery pack is operating under unintended conditions. This alert may result in loss of pack power

Affected models

Model 3 2017-2023 Model 3 2024+ 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.