DAS_w229_alcUltrasoundDamaged

Automatic lane change (ALC) is initiated by the driver but ALC is unavailable due to Autopilot electronic control unit (ECU) detecting damage to ultrasonic sensors.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Automatic lane change unavailable
Ultrasonic sensors not communicating

Impact

Automatic lane change (ALC) feature is unavailable.

Description

Automatic lane change (ALC) is initiated by the driver but ALC is unavailable due to Autopilot electronic control unit (ECU) detecting damage to ultrasonic sensors.

Cause

Autopilot ECU detects damage to one or more ultrasonic sensors while ALC is initiated.

Clear condition

Ultrasonic sensors are replaced and Autopilot ECU no longer detects any damage to ultrasonic sensors.

Models

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

Visibility

service-fix

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