MyTeslaMate
APP family

APP_w306_lssUltrasonicsBlocked

Not Available

What does the APP_w306_lssUltrasonicsBlocked alert mean?

One or more of the ultrasonic sensors is blocked, preventing Lane Departure Avoidance (LDA) from activating on one or both sides of the vehicle. Lane Support System (LSS) features, such as LDA, may be limited or unavailable.

What you'll see in your Tesla

  • Not Available

What triggers it

One or more ultrasonic sensor data streams is unavailable, indicating one or more of the ultrasonic sensors is blocked.

When it clears

All ultrasonic sensor data streams are available, indicating all ultrasonic sensors are unblocked.

Potential impact

Lane Support System (LSS) features, including Lane Departure Avoidance (LDA), 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.