APP family
APP_w230_alcUltrasoundBlocked
Not Available
What does the APP_w230_alcUltrasoundBlocked alert mean?
Auto lane change (ALC) is unavailable due to Autopilot electronic control unit (ECU) detecting blocked ultrasonic sensors.
What you'll see in your Tesla
- Not Available
What triggers it
Autopilot ECU detects one or more ultrasonic sensors as blocked while ALC is initiated.
When it clears
Autopilot ECU no longer detects any ultrasonic sensors as blocked.
Potential impact
Auto lane change (ALC) feature is 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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