HVBATT family
HVBATT_a238_HsFlybackUnderVoltage
Not Available
What does the HVBATT_a238_HsFlybackUnderVoltage alert mean?
The High Voltage Battery (HVBATT) detects the high-side (HS) flyback output voltage is below the operational threshold.
What you'll see in your Tesla
- Not Available
What triggers it
The output voltage of the HS flyback is less than the defined threshold for more than the defined timeout.
When it clears
The output voltage of the HS flyback is greater than the defined threshold.
Potential impact
This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.
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.