DIRE1L family
DIRE1L_a021_hwBusOV
Not Available
What does the DIRE1L_a021_hwBusOV alert mean?
Drive Inverter Warning: Battery over voltage detected in hardware.
What you'll see in your Tesla
- Not Available
What triggers it
HV bus voltage exceeds set upper voltage threshold
When it clears
HV bus voltage drops below upper voltage threshold
Potential impact
Unable to produce torque/power from drive unit
Affected models
Semitruck
Track your Tesla's alerts automatically
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.