EPASTP_a185_sbcscpQAWatchdogReset
EPASTP_a185_sbcscpQAWatchdogReset
Alert Information
Category
Other
Severity
critical
Live Incidence Rate
<0.01%
Models
Model Y
Description
This alert is reported by the SBCStartupCauseProvider_A8140x (SBCSCP) component if external question-answer watchdog (Q&A) fails. MCU SM requires it, against systematic SW faults, and random HW faults of the time base.
Potential Impact
EPAS reset. If reset more than 5 times then EPAS full loss of assist.
Set Condition
if external question-answer watchdog (Q&A) fails (status_0.WD_Fn_S is cleared).
Clear Condition
EPAS will perform a power cycle. If persist then perform EPAS Software update. Replace HW if the alert persist.