Does changing the drive mode often screw up the transmission learning procedure?

[Nomis]

Hey guys,


So my truck doesn't have as much jam as it did initially. It only has 3600 km, but at about 2000 it really started acting weird and kinda doggish. It doesn't pull like it did before. I took it easy for the first 1000 miles and then started getting on the throttle more and it was a blast at first but now it is very underwhelming and I'm wondering if something is wrong with it. I did put bigger tires on it but the performance was lacking before made the change, which was done at 2600 km.

So I do switch between modes because the novelty hasn't worn off. Sport is pretty good but there is hesitation like it is being held back. It doesn't pull like it did before. I wonder if flashing the TCM would help or if I have a lemon.

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[Snakebitten]

You can wipe the adaptive tables in seconds with Forscan. Start all over. Confirm your suspicions?

 

[Nomis]

You can wipe the adaptive tables in seconds with Forscan. Start all over. Confirm your suspicions?

I don't have forescan yet. I live in a small town and work away 3 weeks on and 9 days off so ordering stuff and timing it right is a pain. I'll have to read about what I need and order it for next days off.

Edit: I saw guys with similar issues mention disconnecting the battery but I don't imagine that does what I want it to do.

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