STO family
STO_a005_pwrSup3V3Fail
Not Available
What does the STO_a005_pwrSup3V3Fail alert mean?
Steering Torque Overlay (STO) assist halted due to 3.3 Volt Power Supply failure.
What you'll see in your Tesla
- Not Available
What triggers it
Internal: 3.3V Power Supply voltage >= 3.5 Volts or <= 3.09 Volts for 20ms
When it clears
System Reset
Potential impact
Steering Assist reduced
Affected models
Semitruck
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