I bought a 2011 RAM 2500 6.7L with 68RFE a couple of years ago.

It has a 6” lift and 37” tires on it; it also has a Mini Maxx Tuner on it; however, I did some research and noticed the trans tune and MCC had not been activated.

I tow a 10,000 lbs travel trailer and notice that 1-3 gear don't lock the TC but have no issues 4-6 with TC lock.

Is there a tune available for the trans to help lock it at least in 2nd gear and 3rd to help save transmission?

Also, if there is, can I unlock the MCC version of the tuner and add the tune, or should I be looking at a different tuner?

I really appreciate any help you can provide.