This post caught my interest simply because my daughter drives a 05 Sorento 2.5 for he past year and a half with no issues other than routine serviceing.

As chris says, a simple google throws up useful info on this code, includeing, among other possibilites a tsp restriced to rhd vechicles.
Just goes to show 20 mins research can go a long way with a little effort.

One of the biggest obstacles in this game is gaining the clients trust and you do this on your record and reputation.
Jim.