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Hello, I am new to renntech.org and hope I am posting in the correct area. I recently acquired a 2001 boxster 2.7L with the tiptronic. Once my car gets up to temp the "D" and "4" begin to flash in an alternating pattern. The shifting or driving characteristics do not change and no CEL light appears. I have read many threads on this topic as to what could be causing it. The flashing lights typically do not last very long. I am trying to figure out how to check for any tiptronic codes it may have. I have a wireless scan tool I use with my iPhone (dash command app). I do not believe this meth