APP family
APP_w141_ECU_Thermal_Issue
Not Available
What does the APP_w141_ECU_Thermal_Issue alert mean?
The Autopilot electronic control unit (ECU) board temperature is outside the recommended operating range.
What you'll see in your Tesla
- Not Available
What triggers it
Autopilot board temperature falls below 0C or rises above 90C
When it clears
Autopilot board temperature returns to nominal range of 0C-90C
Potential impact
Autopilot may shut down, resulting in all Autopilot features being unavailable
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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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.