Quote:
Originally Posted by SC2150
He is not telling you straight. If there is a major warranty claim that they suspect was caused by a tune they then will go through the process to read the flash count to see. otherwise it is an extra step that takes time & cost them $$ they don't want to spend.
All hand held tuners I know of allow you to flash back to stock if you choose, and for a custom tune most save your stock file & can flash it to stock if you choose.
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Except that the Camaro also tells GM what date you flashed and what date you flashed back. It's been covered many times, you can't trick GM on this one. Once you modify the calibration you are out of warranty.
And any power train warranty requires the dealership to send the calibration for confirmation. I believe there is a service bulletin that covers this as well.