Tesla Fix & News

EPASTS_a124_mcusscMbistEccTransientErr

EPASTS_a124_mcusscMbistEccTransientErr

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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, MCU failure.

Potential Impact

EPAS reset. If reset more than 6 then EPAS fallback to bootloader.

Set Condition

EPAS memory BIST transient error detected.

Clear Condition

EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.

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