Front Sun Gear Over-Speed Failure
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2014 Subaru Tribeca, 2014 Subaru Outback, 2014 Subaru Legacy, 2013 Subaru Tribeca, and 2013 Subaru Outback. However, it is still accessible from the selected car via links, so may be relevant.
If an over-speed failure is detected on the front sun gear in the transmission, the gear is shifted to neutral and the vehicle stops. Then the gear is fixed in 2nd from vehicle start.