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Originally Posted by Leonardo629
can you share what error the "tuner" discovered? Were those errors there before Alex touched your car. I have Alex's GTS DCT program, and he also did some coding as well...so I'm curious. My car drives fine though by the way, nothing is out of the norm except better DCT shifting.
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It has to do with how the GTS software is flashed. It basically takes the transmission computer offline while the engine is running. I would think that throws lots of errors?
Next time the dealer plugs in their tool, it's going to see a ton of weird errors that are in the history but are "no longer present". Most techs probably may not care since the code is not showing at the moment and will attribute it to a glitch or a one-time problem.