TAS family
TAS_a003_SWAssertion
Not Available
What does the TAS_a003_SWAssertion alert mean?
Tesla Air Suspension (TAS) has detected an internal software assertion failure.
What you'll see in your Tesla
- Not Available
What triggers it
Triggers when a specific software condition fails during runtime operations.
When it clears
Automatically resolves after 10 milliseconds without additional failures.
Potential impact
May result in system instability.
Affected models
Cybertruck
Model 3 2024+
Model S 2012-2020
Model S 2021+
Model X 2015-2020
Model X 2021+
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.