VCLEFT family
VCLEFT_a399_swsTouchNoisyBaselineInitialization
Steering wheel buttons and horn unavailable
What does the VCLEFT_a399_swsTouchNoisyBaselineInitialization alert mean?
Check for a valid baseline initialization
What you'll see in your Tesla
- Steering wheel buttons and horn unavailable
- Service required to restore functionality
What triggers it
SWS detected an invalid baseline initialization
When it clears
Recoverable if noise conditions are removed, otherwise, power cycle or hardware replacement
Potential impact
Loss of functionality due to functional safety checks
Affected models
Model 3 2024+
Model Y 2025+
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.