This alert is reported by the SystemBasisChipHAL_A8140x (SBCH) component in case SBC communication check (MCU -> SBC) fails. Against random HW failures of the MCU and communication line including EMC.
<0.01% (Extremely rare)
None displayed
EPAS reset. If reset more than 5 times then EPAS full loss of assist.
This alert is reported by the SystemBasisChipHAL_A8140x (SBCH) component in case SBC communication check (MCU -> SBC) fails. Against random HW failures of the MCU and communication line including EMC.
SBC communication check (MCU -> SBC) fails (SE flag is set in WD feeding answer messages).
If the number of stored errors in non-initialized RAM variable representing MCU to SBC errors is less than the limit.
Model Y, Model Y 2025+
service-fix
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