Regear - 2017 RAM 2500 With 68RFE?

[Joshuaklambert]

I tow alot in the mountains, and I'm running 35s.

I'm regearing to 411s.

My question is, what is needed to correct the speedometer and trans shifting?

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[IGOTACUMMINS]

Are you tuned and running a tuner?

God bless,
igotacummins

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[Joshuaklambert]

It is tuned with DRD basic 30hp tune.

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[Corkey]

I could be wrong; I believe there is a section on the ABS tab under the ECU button on the home page.

For correcting the MPH, all you need to do is adjust the newer tire size.

I am unsure if what I am saying is included with the basic package.

"Should be."

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[AK Bob]

I tow alot in the mountains, and I'm running 35s.

I'm regearing to 411s.

My question is, what is needed to correct the speedometer and trans shifting?

Correct the speedometer by changing the tire size in the MM3.

You don't need to correct for the regearing.

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[Joshuaklambert]

Thanks, I wasn't sure but I wanted to ask.

I have messed with the MM3 much, so I'll look into it.

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[Corkey]

Power the MM3 up, and click anywhere on the screen.

At this point, there's a timer on the screen, bottom left of the tabs; you should see ECU "click that" and scroll through the tabs until you see ABS "if I recall correctly"; that's where the tire size adjustment is at.

Hit save when finished, and you are set to go.

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