STO family
STO_a128_controlInfo1TxError
Not Available
What does the STO_a128_controlInfo1TxError alert mean?
Steering Torque Overlay (STO) CAN transmission messages from the control information 1 ECU are invalid.
What you'll see in your Tesla
- Not Available
What triggers it
For 1 or more seconds, there was a control information transmission error
When it clears
CAN messages received as expected
Potential impact
Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected
Affected models
Semitruck
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.