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+
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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.