If you see the alert APP_w048 on your Tesla, it means Autopilot features are temporarily unavailable. These features may include Autosteer, Traffic-Aware Cruise Control, Automatic Emergency Braking, Forward Collision Warning, and Lane Departure Warning.
What this alert means:
Autopilot features are currently unavailable on your vehicle. Typically, Autopilot features are restored on your next drive. However, this alert can be triggered for several reasons, including software updates or sensor issues.
What to do:
Check for additional alerts that indicate the cause of this condition. Usually, Autopilot features will be restored on your next drive. If the alert persists across multiple drives, schedule service at your earliest convenience.