DIF family
DIF_a037_busUV
Not Available
What does the DIF_a037_busUV alert mean?
Drive Inverter Warning: Battery under voltage
What you'll see in your Tesla
- Not Available
What triggers it
HV bus voltage (refer to busVoltage) drops below lower voltage threshold (refer to busHighLimit)
When it clears
HV bus voltage rises back above lower voltage threshold
Potential impact
Unable to produce torque/power from drive unit
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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.