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It's comparatively well known (although there are still many aspects to it that are not), U-234 was the boat involved.
Interestingly when it surrendered it was directed to sail to Canada for internment there. However the captain thought that he would get better treatment in the US and sailed towards the US instead. The US helped him to do this by jamming the Canadian radio station attempting to 'control' the U 234 and by sending the USS Sutton to intercept the boat and bring it to port.
Crew from the U 234 report that although they were well treated by the crew of the Sutton once ashore they were very badly treated and wished they had sailed to Canada as initially directed.
http://www.uboat.net (There may be a '-' between u and boat) I'm sure will have more information. But by way of introduction, a good all round read can be found in 'Hirschfeld The secret diary of a U Boat' by Wolfgang Hirschfeld ISBN 0-304-35498-8 . Most of the book revolves around his service in Type IX U boats however his final posting was as the warrant officer in charge of the radio room on the U 234. A very readable first hand account.