Tow /haul understanding

[pacofortacos]

Thanks everyone for the info. Is there a way to confirm I have the two wiring pigtails without removing the front panel.
On a side note it confuses me that on a truck with class 4 hitch trans cooler etc that it wouldn't be installed as a standard option?

The hitch often is part of several different packages, so it is easy to get the hitch without the controller.

 

[2003F350]

They changed tow/haul on the 2019's if it now disables 8th gear - it definitely does not disable 8th gear on my 2016 5.7 hemi.
Also on my 16 tow/haul does NOT disable MDS, the only way to disable it in the 16 is to use ERS.

I've noticed that on my '17 PW - tow/haul does NOT disable my 6th gear. Anything above 55mph and it goes into 6th unless I'm on a hill. I don't recall on the MDS.

 

[Quint]

Pacofortacos - thanks for writing that. I was pretty sure that my 2015 can shift into 8th gear while towing, but I usually need to be going slower or maybe downhill with a tailwind! It all depends on the load you're hauling.

To the OP. The Tow/Haul mode works great and really doesn't require any manual input, except in the situation described where you might want to downshift for a long downhill. The engine braking and auto-downshifting is nice under normal braking situations. This truck tows my boat like it's not even there, and I'm just running a 1500 with 3.23 gears.