EPASTP family
EPASTP_a005_scpUnknownResetSource
Not Available
What does the EPASTP_a005_scpUnknownResetSource alert mean?
This alert is reported by the StartupCauseProvider_R12 (SCP) component when all received causes are unknown startup causes and the determined startup cause is UNKNOWN.
What you'll see in your Tesla
- Not Available
What triggers it
EPAS detected unknown startup cause at startup.
When it clears
Perform EPAS Software update.
Potential impact
EPAS full loss of assist. EPAS is unable to establish why the SW has been started.
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.