EPASTP family
EPASTP_a191_sbcscpVcp2VucVoltFail
Not Available
What does the EPASTP_a191_sbcscpVcp2VucVoltFail alert mean?
This alert is reported by the SBCStartupCauseProvider_A8140x (SBCSCP) component in case of MCU I/O power supply (VDD_IO) monitor by SBC and under/over voltage on the second charge pump. Against power supply faults of the main microcontroller.
What you'll see in your Tesla
- Not Available
What triggers it
Under or over voltage on 5V MCU and VCP2 supplies.
When it clears
EPAS power cycle and normal voltage on 5V MCU and VCP2 supplies.
Potential impact
EPAS full loss of assist.
Affected models
Model Y
Model Y 2025+
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