APP-W306
APP_w306_lssUltrasonicsBlocked
Also written as APP_W306 / APP W306 / APP_w306_lssUltrasonicsBlocked / app_w306_lssultrasonicsblocked
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does APP-W306 mean?
Tesla warning code in the Application Layer (APP) module. At least one of the ultrasonic sensors is blocked and preventing lane departure avoidance from activating on one or both sides. One or more ultrasonic streams are blocked Ultrasonic sensors are unblocked Degraded LSS (Lane Support System) performance
Original Description
At least one of the ultrasonic sensors is blocked and preventing lane departure avoidance from activating on one or both sides. One or more ultrasonic streams are blocked Ultrasonic sensors are unblocked Degraded LSS (Lane Support System) performance
Affected Tesla Models
What You May Notice
- Application Layer alert: At least one of the ultrasonic sensors is blocked and preventing lane departure avoidance from activating on one or both
- Touchscreen may show an error for one or more apps or settings
- Feature may restore itself after a reboot
How to Diagnose and Resolve
- 1 Perform a soft reboot (hold both scroll wheels for ~10 seconds)
- 2 Check for pending OTA software updates
- 3 If the issue persists, schedule a service appointment
Severity Notes
APP-W306 is a Warning in the Application Layer system. Schedule service soon. Monitor your vehicle for additional warnings.