MyTeslaMate
EPASTP family

EPASTP_a056_amGduConfigCsErrorCheck

Not Available

What does the EPASTP_a056_amGduConfigCsErrorCheck alert mean?

This alert is reported by the ActuatorManager_R12 (AM) component when there is a GDU failure. This diagnostic reads the critical GDU registers and compares them to their expected values.

What you'll see in your Tesla

  • Not Available

What triggers it

EPAS ECU GDU device (management storage) plausilty check (value in GDU differs to the value in MCU) failed.

When it clears

EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.

Potential impact

EPAS reset requested will be performed at the moment when it doesn't providing 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.