Board Thread:General Discussion/@comment-4957813-20131113141215/@comment-1387259-20131113170103

Yes, but that was after he went to the barracks to "learn the basics again" - If I remember his monologue during that training session correctly, he stated that he couldn't even use his Shikai, which makes me think that this training was what allowed him to once again communicate with Hyorinmaru.