RADC family
RADC_a017_adcUnderVolt
Not Available
What does the RADC_a017_adcUnderVolt alert mean?
ECU Internal ADC underVoltage - Indicates an under voltage condition for the following voltage rails 1V25, 3V3, 4V5, 5V
What you'll see in your Tesla
- Not Available
What triggers it
Set when the voltages for the respective rails are above threshold
When it clears
Cleared when over voltages return to nominal level
Potential impact
Sensor function will be impaired, radar functions will be unavailable
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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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.