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tire size problem and tranny shift point not working 05 jgc

General Tech Support Questions

Moderators: mikel, 06MonteSS


Posts: 4
u7137
v.9r07
2005 jeep grand cherokee limited 5.7
i cannot change the tire size in any of the tunes that are on the preditor.. i also cannot change anything with the transmission shift points or anything related to that.. the reason i bought this tuner was the fact that i could change the tire size and i cannot do that.. i have 24 inch rims on my truck and well you can see why i was looking to change the ire size.. please help me asap .. thank you.. Jon


Posts: 4
i have been on hold for over a half an hr and it tells me that its alot quicker to post on the forums and i did that and still no response.. please help.. thank you!! Jon


Posts: 54709
Location: DiabloSport World Headquarters

This is an issue we are workin on a fix for, as soon as I get a local vehicle in here we'll have an update to make it work.
Mike Litsch
Powerteq Customer Service Manager
Diablo Tech support by phone:
561-908-0040x4
M-F 8:00 AM to 5:00 PM EST


Posts: 1
I have a 2008 Grand Cherokee and have the same issue with changing the tire size. Would love to have a fix for this.


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