MyTeslaMate
EPASTP family

EPASTP_a154_sdsmCsErrorInvalidPrimary

Not Available

What does the EPASTP_a154_sdsmCsErrorInvalidPrimary alert mean?

This alert is reported by the StreamingDataStorageManager_R12 (SDSM) component when the CRC is not equal to saved CRC value at any memory block, but another is correct

What you'll see in your Tesla

  • Not Available

What triggers it

CRC is not equal to saved CRC value at any memory block, but another is correct.

When it clears

Perform EPAS Software update. Replace HW if the alert persists.

Potential impact

EPAS fast restart was not possible.

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.