DTC B2779 Remote Control Engine Starter Collation: DTC Detecting Condition
WARNING: This page is about a different car, the 2016 Subaru Outback and 2016 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
When the keyless access control module does not respond to engine start even when the remote control engine starter is ON, or when there is a code mismatch.