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There is actually 2 shops that were recommended to flash the trans control module. OST Dyno and RPM Extreme. Bith are about $300 and either require you to send your tcm or do a swap program where you buy their programmed tcm and then send yours to them for a partial refund. My friend tunes with...

Anyone else experience “surging” issues? I notice when unloading the jeep while its running, the exhaust note seems to surge/rev up/down. Also at highway speeds about 62mph and low speed about 35mph slight inclines. Not sure if it was a day one issue because I put so much stuff on it at...