EPASTS family
EPASTS_a037_epmV5P2Fail
Not Available
What does the EPASTS_a037_epmV5P2Fail alert mean?
This alert is reported by the ExternalPowerManager_A8140x (EPM) component in case of V5P2 Undervoltage and Overvoltage.
What you'll see in your Tesla
- Not Available
What triggers it
EPAS ECU SBC device monitor reports failure (internal voltages) at runtime.
When it clears
Perform EPAS ECU power cycle.
Potential impact
EPAS full loss of assist.
Affected models
Model Y
Model Y 2025+
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