GTW family
GTW_w405_12VNotSupported
Electrical system power reduced
What does the GTW_w405_12VNotSupported alert mean?
GTW_w405_12VNotSupported
What you'll see in your Tesla
- Electrical system power reduced
- Vehicle may shut down unexpectedly
Affected models
Model S 2012-2020
Model X 2015-2020
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.