HVBATT family
HVBATT_a306_PowershareLimitViolation
Powershare is unavailable
What does the HVBATT_a306_PowershareLimitViolation alert mean?
The High Voltage Controller (HVC) detects abnormal behavior while powersharing and has terminated the session.
What you'll see in your Tesla
- Powershare is unavailable
- Disconnect cable and retry
What triggers it
The HVC detects abnormal behavior while powersharing.
When it clears
Clears upon removal of charge cable.
Potential impact
The active powershare session will be terminated, and future sessions will be unavailable.
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.