EPASTP_a190_sbchCommBufferOverflow
Not Available
What does the EPASTP_a190_sbchCommBufferOverflow alert mean?
This alert is reported in case SBC Communication buffer overflow checker. Against systematic SW failures on SystemBasisChipHAL component.
What you'll see in your Tesla
- Not Available
What triggers it
SBC Communication buffer overflows (Sending data is bigger than buffer limit (DMA_BUFFER_LENGTH) or Previously triggered message transfer is not finished: DmaChannelStatus is not DMA_TRANSFER_STATUS_SUCCESS or RTE buffer (message queue) overflow in the SystemBasisChipHAL_A8140x component).
When it clears
EPAS will perform a power cycle. If persist then perform EPAS Software update.
Potential impact
EPAS reset. If reset more than 5 times then EPAS full loss of assist.
Affected models
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