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Old 09-05-2012, 11:02 PM   #1
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2012 auto/4.88..wont shift...computer?

Have 2012 wrangler unlimited auto 3.6 liter v6...just added 4.88 gear ratio.. 35" tires.....no one seems to know how to reprogram the computer chip...it wont shift...stays in second gear...took to dealership and they didnt know what rpm ratio to program it to...

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Old 09-06-2012, 06:19 AM   #2
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You should be able to set the new axle ratio with a Procal from AEV.

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Old 09-06-2012, 11:29 AM   #3
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Quote:
Originally Posted by MacCTD
You should be able to set the new axle ratio with a Procal from AEV.
X2 the aev procal is 2012 compatible
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