EPASTP family
EPASTP_a046_mcusscOscillatorNotReliable
Not Available
What does the EPASTP_a046_mcusscOscillatorNotReliable alert mean?
This alert is reported by the MCUSafetyStartupChecks_TC3x (MCUSSC) component when MCU oscillator was not reliable during startup.
What you'll see in your Tesla
- Not Available
What triggers it
EPAS uC oscillator failure (not reliable) at startup.
When it clears
EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.
Potential impact
EPAS full loss of assist.
Affected models
Model Y
Model Y 2025+
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