MyTeslaMate
APP family

APP_w307_lssTurnSignalFault

Not Available

What does the APP_w307_lssTurnSignalFault alert mean?

A condition affecting turn signal functionality is 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

The Autopilot electronic control unit (ECU) detects that one or more turn signals is not functioning as expected.

When it clears

The Autopilot ECU no longer detects a condition affecting turn signal functionality.

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.