Did the dealer read the code and find out what is was, or did they just reset it? You need to have the code read, so you know what the problem is. Once you know what is throwing the code you can replace that particular part or address it's issue. If that does not work, it could be something similar/related to the issue of the code. With having such little kilometers on the vehicle and the fact that it's only 2+ years old, I would think that the vehicle would still be under warrany. If it is under warranty, I would take the vehicle back the dealer and insist that the issue that is throwing the code be fixed. Resetting the code does nothing to address the issue. It could be possible that nothing is wrong with the vehicle and maybe an issue with the ECM/PCM, or the electronic brain for the vehicle.
Good luck and let us know how you do!