http://care.diabetesjournals.org/content/34/1/168.full?sid=aef8ba0e-0651-48a4-9758-1aefd59ebff7
It talks about having found autoimmunity in phenotypically Type 2 patients, and says autoimmunity is more common in Type 2 than previously believed.
Of course, this begs the question of whether these people are actually Type 1’s with insulin resistance.