I think you just have to make the computer learn again by resetting the system. I had to do this once with my neighbors c6 z06. He bought new tires/rims and he came to my work (tire center) and i used our hand held reset device and he was good to go from there. Whoever installed your tires/rims must have swapped over the sensors, if they are a good shop, they too should have this device.
If you're talking about having a dealer shut the TPMS system off, it's been done. They can do it. They just won't in some instances, I guess.
When I got my new wheels, I did not take into consideration the angle of the valve stem hole in the wheel. I bought the sensors but they stuck out too far and would get snapped right off with the right bump, so I didn't have them put in. If I wasn't in a hurry, I would have strapped them to the center of the wheel with something (they sell plumber's strap kits that work well). Anyway, I mounted the tires anyway and then built this little PVC chamber and pumped it up. Everything was well. I strapped it to the OnStar module in the trunk.
A couple days later, I got an error. Turns out that they need to roll to stay awake/charged. Ever since, I've had the chamber rolling around in the trunk. Pretty damn annoying if you ask me, but no more than the error in the dash. I was going to ask the dealer to eliminate the system, but I do like it in the winter when pressure changes so often...and I'm not paying for them to do this twice a year.
By next spring, I'll have these tires taken off, sensors installed on the center of the wheel, and then tires put back on.