VCLEFT family
VCLEFT_a395_swsTouchAdcCheckFail
Steering wheel buttons unavailable
What does the VCLEFT_a395_swsTouchAdcCheckFail alert mean?
This ensures all the SWS ADC driver integrity, ADC is used to convert analog sensors shuch as touch, battery voltage, NTC.
What you'll see in your Tesla
- Steering wheel buttons unavailable
- Service required to restore functionality
What triggers it
SWS detected an ADC test pattern failure
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.