Ok doing some reading on this code and looks like its just a faulty sensor. Seen a post where a member here use a auto temp sensor WT3069 has any one else tried it. Its only like 14 buck compared to 81 from sea-doo.
A friend of mine just had that code pop up I think. His dealer told him it was a sensor. Cost him 300$ but he isn't the kind to care about how much something cost.