2018 2500 Tradesman 6.7 68RFE won't shift no codes

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campert

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PA, USA
Ram Year
2018
Engine
6.7 Cummins
Truck as title. Was driving down the road hauling my 6x12 trailer, hit a bump, and then the truck just felt like it went into neutral. No codes, no loud noises, nothing. Decided to peak at the fluid and change it since it was due. No flakes or shavings. Changed the filters and still no change. Line pressure showed 60 when the issue arose, but I don't currently have the tool with me to check now. I assume that since nothing changed it's the same. Any ideas?
 

mtnrider

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Georgia
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2016
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6.7 Cummins
So it won't shift into gear or move at all now? Hard to believe no codes, did you actually scan for them or just look on the dash for a light?

Have to ask, is the truck tuned?
 
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campert

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Won't move at all. No codes, no pending codes either, I used my EzLynk off my other truck to look at data before it got towed Thursday. Truck is bone stock, no tuning or deletes. It sounds like it tries to shift into drive or reverse, but I don't think the line pressure is there to make it happen. Just trying to figure out what happened to the pressure.
 

mtnrider

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Line pressure is going to be dependent on what you are doing at the time (engine load, gear, throttle position etc.) . At idle 60 PSI seems reasonable? Does sound like a valve body issue though? I wouldn't think snapped shaft or anything like that on a stock truck
 

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