EPASTP family
EPASTP_a053_adcUnexpectedNumOfData
Not Available
What does the EPASTP_a053_adcUnexpectedNumOfData alert mean?
This alert is reported by the ADCDriverCD_TC3x component when there is an ADC (analog-digital converter) failure, MCU failure.
What you'll see in your Tesla
- Not Available
What triggers it
EPAS uC peripheral ADC trigger failure and wrong analog aquisition at runtime.
When it clears
EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.
Potential impact
EPAS full loss of assist.
Affected models
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.