STO family
STO_a136_vehSpeedWhlSenInvalid
Not Available
What does the STO_a136_vehSpeedWhlSenInvalid alert mean?
CAN messages from a wheel speed sensor ECU have an invalid data value, indicating an error in data integrity has been detected.
What you'll see in your Tesla
- Not Available
What triggers it
For 1 or more seconds, CAN message frames from a wheel speed sensor ECU have an invalid data value
When it clears
CAN messages received as expected
Potential impact
Steering assist may be affected, since the wheel speed to Steering Torque Overlay (STO) interface is interrupted
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.