EPASTS family
EPASTS_a167_iccd1ErrQueueOverflow
Not Available
What does the EPASTS_a167_iccd1ErrQueueOverflow alert mean?
This alert is reported by the InterCoreCommunicationDriver_C1_R12 (ICCD1) component when the ErrorMessages that are transfered between the MCU Cores are overflowed -> Communication between the Cores is not working correctly. (Core1 SW probably is not working).
What you'll see in your Tesla
- Not Available
What triggers it
EPAS MCU inter-core communication detected loss of Error Messages due to overflow.
When it clears
Perform EPAS Software update.
Potential impact
EPAS full loss of assist.
Affected models
Model Y
Model Y 2025+
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