EPASTP family
EPASTP_a079_gduhComErr
Not Available
What does the EPASTP_a079_gduhComErr alert mean?
This alert is reported by the GDUDriverHAL_A4918 (GDUH) component when SPI buffer overflow, DMA status is not OK.
What you'll see in your Tesla
- Not Available
What triggers it
EPAS ECU GDU device monitor detected failure (serial communication buffer overflow).
When it clears
Perform EPAS Software update.
Potential impact
EPAS reset
Affected models
Model Y
Model Y 2025+
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