SCCM family
SCCM_a008_turnIndInvalidTrans
Turn indicator stalk error detected
What does the SCCM_a008_turnIndInvalidTrans alert mean?
Steering Column Control Module (SCCM) Analog-to-Digital Converter (ADC) channel signals change in an order not possible under normal operation.
What you'll see in your Tesla
- Turn indicator stalk error detected
- Re-entering vehicle may restore operation
What triggers it
SCCM ADC channel signals change in an order not possible under normal operation.
When it clears
The alert clears automatically.
Potential impact
Alert is primarily informational and used for logging purposes.
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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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.