the speedo on my 09 quit working at 1200 miles. Couldn't figure it out, and I ended up needing a new one. I don't know if they take a bounce or a rock just right and decide to bite it, or what. No amount of wire jiggling would bring it back to life. I traced the harness all the way back, checked and rechecked the fuses, no dice. I took it to the dealer, and they installed a new one. It wasn't under warranty, so install was expensive, and it ended up resetting the odometer...TL;DR: Check the harness and all contacts, fuses-if they're ok and getting power, just get yourself a new gauge, or try to find a salvaged set.