MyTeslaMate
EPASTP family

EPASTP_a139_osehAdditionalOsErr

Not Available

What does the EPASTP_a139_osehAdditionalOsErr alert mean?

This alert is reported when at startup, before reporting the previous error with the reset reaction, ErrorHook was called again because of an error in a partition which is configured to handle such errors with immediate safety reset. This error ID will show the last problem which caused the invocation of the ErrorHook with reset as the partition reaction.

What you'll see in your Tesla

  • Not Available

What triggers it

ErrorHook was called again because of an error in a partition which is configured to handle such errors with immediate safety reset.

When it clears

Perform EPAS Software update.

Potential impact

EPAS reset.

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.