APS family
APS_w169_TurboA_SCS_LKUP
Not Available
What does the APS_w169_TurboA_SCS_LKUP alert mean?
The Autopilot (AP) electronic control unit (ECU) detects that the Turbo A main processor encounters a lockup error in the security controller subsystem (SCS), which causes the AP ECU to reboot.
What you'll see in your Tesla
- Not Available
What triggers it
The AP ECU detects a lockup error on the Turbo A main processor in SCS, causing the AP ECU to reboot.
When it clears
Clears after the AP ECU finishes rebooting, and a lockup error is no longer detected on the Turbo A main processor in SCS.
Potential impact
All AP 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.