TAS family
TAS_a070_underVoltage12V
Not Available
What does the TAS_a070_underVoltage12V alert mean?
Supply voltage to ECU is below 8.5V
What you'll see in your Tesla
- Not Available
What triggers it
Supply voltage to ECU drops below 8.5V
When it clears
Supply voltage to ECU rises above 9.0V
Potential impact
No direct impact, but functionality may degrade or ECU may reset/shutdown.
Affected models
Cybertruck
Model 3 2024+
Model S 2012-2020
Model S 2021+
Model X 2015-2020
Model X 2021+
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.