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APP_w272 — Lane Change Unavailable

Full alert identifier: APP_w272_laneChangeUnavailable

Alert description

The Autopilot electronic control unit (ECU) detects a situation in which a lane change is unavailable and prevents an automatic lane change from occurring.

Potential impact

The automatic lane change is unavailable, and the driver must complete the maneuver manually.

Set condition

The Autopilot electronic control unit (ECU) recognizes a condition that prevents an automatic lane change. In the case of a condition affecting a camera, the alert log signals will provide more details.

Clear condition

The alert is cleared at the beginning of the next lane change.

Signals to check

These diagnostic fields are associated with APP_w272. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
L Pillar Blocked APP_sw272_lPillarBlocked —
L Pillar Stream Exit APP_sw272_lPillarStreamExit —
L Repeater Blocked APP_sw272_lRepeaterBlocked —
L Repeater Stream Exit APP_sw272_lRepeaterStreamExit —
R Pillar Blocked APP_sw272_rPillarBlocked —
R Pillar Stream Exit APP_sw272_rPillarStreamExit —
R Repeater Blocked APP_sw272_rRepeaterBlocked —
R Repeater Stream Exit APP_sw272_rRepeaterStreamExit —
Show 1 more field
Signal Unit
Unavailable Reason APP_sw272_unavailableReason —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APP_w272.

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