APP family
APP_w221_accRadarBlind
Cruise control unavailable
What does the APP_w221_accRadarBlind alert mean?
The radar sensor has inadequate visibility and is blind or blocked, which may cause Traffic-Aware Cruise Control (TACC) functionality to be limited or unavailable.
What you'll see in your Tesla
- Cruise control unavailable
- Reduced front radar visibility
What triggers it
The radar sensor has inadequate visibility and is blind or blocked.
When it clears
The radar sensor has adequate visibility.
Potential impact
Traffic-Aware Cruise Control (TACC) functionality may be limited or unavailable.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2012-2020
Model S 2021+
Model X 2015-2020
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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.