Hypertech tuning / Traction control

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run4jc

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Just recently acquired a 2002 Yukon SLT - almost perfect condition - family needed a 'third' vehicle and this fit the bill. Of course, the first things I had to do were install a K & N Air Filter and Hypertech tuning. Installed the 'tuning', adjusted for the 285/75/16 tires and increased the shift firmness by 50%. Everything works great, but an odd by product is that now the traction control 'off' light stays illuminated and I can't seem to be able to turn the traction control back 'on.' Can't find anything on Hypertech's web site or anywhere else about this - does anyone else have any experience with this? My next step will be to temporarily restore to factory and see if that cures it - but I will give up the traction control (if necessary) for the improvements the Hypertech gives.

Love that Yukon!
 
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