MM3 Questions

[Roadrunner6.7]

So after unplugging from the OBD port and plugging back in.

I am reinstalling the tunes.

This is what it shows.

In a previous post, it was said differently.

Are both ok?




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[DRD]

The flashing lights and a blank screen is either low battery voltage or a loose connection.

God bless,
Ray
DRD

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[Roadrunner6.7]

The flashing lights and a blank screen is either low battery voltage or a loose connection.

God bless,
Ray
DRD

Thank you, Ray.

May I send you a PM with some other questions?


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[Outdoornut]

I did all the mechanical work first, them installed my MM3.

No issues at all.

I debated doing it on my 17 or trading for a 21 3500 SW Aisin.

I don't know if the 21 will be as reliable, and the turbo Lag on the HO is horrible.

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[Roadrunner6.7]

I did all the mechanical work first, then installed my MM3.

No issues at all.

I debated doing it on my 17 or trading for a 21 3500 SW Aisin.

I don't know if the 21 will be as reliable, and the turbo Lag on the HO is horrible.

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I also considered doing that; I can't advise you on the switch because this is my first Cummins.


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[Outdoornut]

I also considered doing that; I can't advise you on the switch because this is my first Cummins.


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I've had one built 3rd Gen, a deleted upgraded 4th Gen, and the non-deleted 4th Gen I have now.

I don't know about the 21 HO.

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[Roadrunner6.7]

I've had one built 3rd Gen, a deleted upgraded 4th Gen, and the non-deleted 4th Gen I have now.

I don't know about the 21 HO.

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If I could, after my research, I'd go older and get one with a G56.

These 5th Gens look good; it seems the 4th gens were solid; just my opinion based on everything I've researched.


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[cfunk713]

Hey guys, new member here.

I previously had EFI Live now made the switch to MM3, got it installed, and everything loaded.

Now the truck is in limp mode with no codes; got tunes from GDP, and they’ve been zero help so far; now I’m without a truck; ideas on what might be going on?

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[Roadrunner6.7]

Hey guys, new member here.

I previously had EFI Live now made the switch to MM3, got it installed, and everything loaded.

Now the truck is in limp mode with no codes; got tunes from GDP, and they’ve been zero help so far; now I’m without a truck; ideas on what might be going on?

I wish I could help you with some information; it sounds unfortunate.

Hopefully, this gets some attention from members with better knowledge.


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[watersupply189]

Hey guys, new member here.

I previously had EFI Live now made the switch to MM3, got it installed, and everything loaded.

Now the truck is in limp mode with no codes; got tunes from GDP, and they’ve been zero help so far; now I’m without a truck; ideas on what might be going on?

Welcome!!

Try flashing the tuner again and make sure your batteries are on a charger.

If that doesn’t resolve the issue, then I would say it’s probably a tuner issue.

What year is the truck, and is it box tuning?


2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

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