EPASTP family
EPASTP_a212_frmDataLost
Not Available
What does the EPASTP_a212_frmDataLost alert mean?
This alert is reported by the FrictionManager_R12 (FRM) component if there is any friction management data lost.
What you'll see in your Tesla
- Not Available
What triggers it
EPAS application friction management diagnostics detected failure (loss of NVM data).
When it clears
EPAS power cycle.
Potential impact
EPAS uses the predefined parameters for friction estimation instead of stored ones.
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.