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Old 12-05-2011, 03:08 PM
dpeterso dpeterso is offline
Dodge Ram Forum Newcomer
Join Date: Sep 2011
Location: Elk Grove, Ca
Age: 39
Posts: 15
Gender: Male
Vehicle: 2010 Dodge Ram 2500 6.7L
Trim Level: SLT Crew Cab
Color: Saddle Brown
Rep Power: 0
dpeterso is on a distinguished road

So I took my truck in on Saturday due to the vibration I was getting around 45-50 mph. The tech explained to me that this is due to low RPM's in lockup and MDS. He flashed the truck with the latest updates and it does shift better from 1st to 2nd. It also holds on to 3rd longer during acceleration. Over all shifting is better but I do still feel the vibration around 45-50. The star case mentions to put the truck into tow/haul mode. When I do that the truck is as smooth as silk. Out of Tow haul it's rough around those low speeds. I'm wondering if it's just MDS that causes the vibration at the low speeds?
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