MyTeslaMate
HVBATT family

HVBATT_a389_HvsBusErrorPassive

Not Available

What does the HVBATT_a389_HvsBusErrorPassive alert mean?

The High Voltage System (HVS) bus is in the error passive state.

What you'll see in your Tesla

  • Not Available

What triggers it

The HVS bus is disconnected or is experiencing a condition affecting its functionality, causing it to enter the error passive state.

When it clears

The HVS bus is no longer in the error passive state.

Potential impact

The HVS bus may be 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.