Aisin Trans 2nd-3rd Hard Shift after Pulling?

[Polkchop]

So an update to the whole situation. I ended up taking my truck to the dealer to have another relearn performed on the transmission. After that I ran the truck on the 0 setting through out my 2800mi road trip with no issue. After I got home I had some jobs to complete that required me pulling my tractor and dump trailer (a little over 10,000lbs) and low and behold the hard shift is back again. I am at my wits end with this truck. I seriously regret ever deleting it as I had zero issues with the performance of the truck before hand, I only deleted as a precautionary measure of the def system. If anyone has any advice I would be extremely thankful as I am having a hard time figuring out what is the cause of this.

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[watersupply189]

So an update to the whole situation. I ended up taking my truck to the dealer to have another relearn performed on the transmission. After that I ran the truck on the 0 setting through out my 2800mi road trip with no issue. After I got home I had some jobs to complete that required me pulling my tractor and dump trailer (a little over 10,000lbs) and low and behold the hard shift is back again. I am at my wits end with this truck. I seriously regret ever deleting it as I had zero issues with the performance of the truck before hand, I only deleted as a precautionary measure of the def system. If anyone has any advice I would be extremely thankful as I am having a hard time figuring out what is the cause of this.

Hate your having issues with the Aisin. Shame there isn’t a transmission tune for it.


2016 Ram Laramie 3500 (DRD), G56, 6.7, Rough Country Leveling, HID headlights, Morimoto LED fogs plus a whole lot more!

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[WHITE RHINO]

So an update to the whole situation. I ended up taking my truck to the dealer to have another relearn performed on the transmission. After that I ran the truck on the 0 setting through out my 2800mi road trip with no issue. After I got home I had some jobs to complete that required me pulling my tractor and dump trailer (a little over 10,000lbs) and low and behold the hard shift is back again. I am at my wits end with this truck. I seriously regret ever deleting it as I had zero issues with the performance of the truck before hand, I only deleted as a precautionary measure of the def system. If anyone has any advice I would be extremely thankful as I am having a hard time figuring out what is the cause of this.

TSB 21-001-20.pdf

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[Atomic RAM]

TSB 21-001-20.pdf

Thanks for pointing out this TSB, White Rhino. I described those exact conditions when I took the truck for a warranty issue a few months back (obviously before the TSB) but, of course, they couldn't reproduce the issue, so sent me away until it shells...

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