HVBATT family
HVBATT_a388_HvsBusOff
Not Available
What does the HVBATT_a388_HvsBusOff alert mean?
The High Voltage System (HVS) bus is in the BusOff state.
What you'll see in your Tesla
- Not Available
What triggers it
HVS bus is experiencing a condition affecting its functionality, causing it to enter the BusOff state.
When it clears
The HVS bus state is stable and no longer in BusOff.
Potential impact
The HVS bus is unable to communicate with other components, which will lead to vehicle being unable to drive or charge.
Affected models
Cybertruck
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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.