APP family
APP_w401_leftPillarCameraHeaterFaulted
Left door pillar camera defogging is limited
What does the APP_w401_leftPillarCameraHeaterFaulted alert mean?
The Autopilot electronic control unit (ECU) has detected a hardware condition affecting the left pillar camera heater system.
What you'll see in your Tesla
- Left door pillar camera defogging is limited
- Schedule service if condition persists
What triggers it
A hardware condition affecting the functionality of the the left pillar camera heater system is detected.
When it clears
Clears when the left pillar camera heater system operates as expected.
Potential impact
Autopilot features may not be available, or may not function as expected.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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.