I happened to be speed shifting and instead of going 2-3 it went back into 1. How I don't know, but when I released the clutch, the engine obviously revved up and traction control light came on along with Engine power reduced. So for the next .5 hour I had no power and the engine would not rev over 4K. What a helpless feeling esp in Christmas shopping traffic. The power came back but I still had a check engine on so I disconnected the battery to reset. If you have never experienced Engine power reduced, Let me tell you..........