MyTeslaMate
APP family

APP_w264_lssFault

Lane Departure Avoidance features unavailable

What does the APP_w264_lssFault alert mean?

Lane Support System (LSS) has encountered a condition making Lane Departure Warning and Emergency Lane Departure Warning features unavailable.

What you'll see in your Tesla

  • Lane Departure Avoidance features unavailable
  • Features may be restored on next drive

What triggers it

A condition is detected that affects Lane Support System (LSS) functionality. The alert log signals will provide more specific details.

When it clears

The alert will clear when the condition affecting Lane Support System (LSS) functionality is corrected / no longer present.

Potential impact

Lane Departure Warning and Emergency Lane Departure Warning features will be 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.