Skip to content
Model Y

EPASTS_a056 — Am Gdu Config Cs Error Check

Full alert identifier: EPASTS_a056_amGduConfigCsErrorCheck

Alert description

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.

Potential impact

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

Set condition

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

Clear condition

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

Signals to check

These diagnostic fields are associated with EPASTS_a056. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Debug Info EPASTS_a056_debugInfo —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a056.

Browse all EPASTS alert codes