This alert is reported by the MCUSafetyStartupChecks_TC3x (MCUSSC) component when there is a MCU internal failure (The Safety FlipFlop Monitoring tests failed for at least one of the MTU or SMU instances).
<0.01% (Extremely rare)
None displayed
EPAS full loss of assist.
This alert is reported by the MCUSafetyStartupChecks_TC3x (MCUSSC) component when there is a MCU internal failure (The Safety FlipFlop Monitoring tests failed for at least one of the MTU or SMU instances).
EPAS microcontroller internal safety monitoring (SafetyFF at MTU,SMU) reported failure at startup.
Perform EPAS ECU power cycle.
Model Y, Model Y 2025+
service-fix
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