MyTeslaMate
EPASTS family

EPASTS_a041_imcmCoreConfigurationMismatch

Not Available

What does the EPASTS_a041_imcmCoreConfigurationMismatch alert mean?

This alert is reported by the IMCM_C0 component when Inter MCU Communication Manager (IMCM) Core1 takes more space in the generated CAN Frames than what is available. Core 0 and Core 1 are incompatible.

What you'll see in your Tesla

  • Not Available

What triggers it

Core1 takes more space in the generated CAN Frames than what is available. Core 0 and Core 1 are incompatible.

When it clears

Perform EPAS Software update.

Potential impact

EPAS full loss of assist.

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.