EPASTS_a079_gduhComErr

This alert is reported by the GDUDriverHAL_A4918 (GDUH) component when SPI buffer overflow, DMA status is not OK.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

EPAS reset

Description

This alert is reported by the GDUDriverHAL_A4918 (GDUH) component when SPI buffer overflow, DMA status is not OK.

Cause

EPAS ECU GDU device monitor detected failure (serial communication buffer overflow).

Clear condition

Perform EPAS Software update.

Models

Model Y, Model Y 2025+

Visibility

service

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