STO family
STO_a022_preDriverAvddInit
Not Available
What does the STO_a022_preDriverAvddInit alert mean?
Steering Torque Overlay (STO) assist halted due to Primary pre-driver board voltage startup failure.
What you'll see in your Tesla
- Not Available
What triggers it
Primary Internal: pre-driver board voltage failure detected on startup at high or low side for 250ms
When it clears
System Reset
Potential impact
Steering Assist reduced
Affected models
Semitruck
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