EPASTP family
EPASTP_a246_sccmCntError
Not Available
What does the EPASTP_a246_sccmCntError alert mean?
Invalid SCCM_steeringAngleSensorCounter value received
What you'll see in your Tesla
- Not Available
What triggers it
SCCM_steeringAngleSensorCounter is not incrementing correctly
When it clears
Electronic Power Assist Steering (EPAS) observes SCCM_steeringAngleSensorCounter incrementing correctly
Potential impact
Reduced steering assist and SASQF = UNDEFINABLE_ACCURACY
Affected models
Model Y
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.