[rsmwrangler]

Unless your trans was rebuilt with new components you should not need to reset the whole thing. Is your trans holding up the shift on a flat road or going uphill? If it’s the last I wouldn’t worrry much about it. The nag1 or should I say the oe programming is a little weird. Supposedly there is a couple of companies that can fix that shift delay but I think you have to send them your TCM?

 

[rsmwrangler]

See this thread and see if it relates to what you’re experiencing. Should not be an issue on flat or going downhill. Only issue with a delay shifting going uphill.

Gears and Tires causing shifting issues.

Is there anyone out there that has re-geared that is not having shifting issues? I have 5.13s and 37s, and a trail dash2, my problem is on a slight uphill with light driving (30% throttle +\-) the trans wants to hold the 2-3rd shift and the 3-4 shift. I hear this is pretty common. But I want to...

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