RADC family
RADC_a023_underTemp
Not Available
What does the RADC_a023_underTemp alert mean?
ECU Internal Under Temperature - The Radar internal NTC has detected below than normal temperature
What you'll see in your Tesla
- Not Available
What triggers it
When the radar internal temp exceeds the lower temperature threshold.
When it clears
Cleared when the temperature of the device reaches nominal operating temperature
Potential impact
Radar functions will be disabled due to low operating temperature
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.