Automatic lane change (ALC) is unavailable due to Autopilot electronic control unit (ECU) detecting blocked ultrasonic sensors.
<0.01% (Extremely rare)
None displayed
Automatic lane change (ALC) feature is unavailable.
Automatic lane change (ALC) is unavailable due to Autopilot electronic control unit (ECU) detecting blocked ultrasonic sensors.
Autopilot ECU detects one or more ultrasonic sensors as blocked while ALC is initiated.
Autopilot ECU no longer detects any ultrasonic sensors as blocked.
Model S 2012-2020, Model X 2015-2020, Cybertruck, Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+, Semitruck
customer, service-fix
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