EPASTP_a121_mcusscMbistEccErr
EPASTP_a121_mcusscMbistEccErr
Alert Information
Category
Other
Severity
critical
Live Incidence Rate
<0.01%
Models
Model Y
Description
This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the memory Built-In-SelfTest failed, errors in the critical memory units. MCU failure.
Potential Impact
EPAS reset. If reset more than 6 then EPAS fallback to bootloader.
Set Condition
EPAS memory BIST found any errors in critical memory units (CPU0, CPU1, DMA).
Clear Condition
EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.