Questions on removing an ATS Co-Pilot - Dodge Cummins Diesel Forum
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post #1 of 11 (permalink) Old 02-21-2020, 03:26 PM Thread Starter
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Questions on removing an ATS Co-Pilot

Recently bought a truck that has has plenty of modifications done but I dont know the entire list of mods other than what I can see. After driving about 2500 miles, including towing, I am convinced the transmission setup is not right. The truck has an ATS transmission and Co-Pilot as well. It is supposed to be a Stage 4 transmission with all the extras so I assume it should hold up to what I will use it for. The drive-ability of this setup is the problem for me. In order to keep the transmission from lugging, or going under 2K RPM it has to be manually shifted, constantly. I have other Rams with EFI and Overdrive tuning that shift much cleaner and do not go into 6th under 50 MPH. Would it cause problems with the ATS transmission to remove the Co-Pilot and the MM3 tuner and replace it with EFI Live with the proper transmission tuning? Thanks for any help or suggestions.


2004 3500, C/C, Smarty, Compounds, trans, injectors
2014 3500 M/C Dually EFI, Turbo, trans
2016 3500 4x4 S/B, MM3, Compounds, trans
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post #2 of 11 (permalink) Old 02-21-2020, 09:09 PM
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You could do the same with the MM3 could you not?

2011,4wd LB/CC 2500 H&S Mini MCC by Tomeygun, BD protect 68rfe VB seperator plate enhanced stall triple disk TC, Super B 64.5/80/.91 3rd gen mani & inline EB, Arp 425s, Fass Titanium 95. Spare Mini in my closet.High tech old school and finally lovin it.
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post #3 of 11 (permalink) Old 02-24-2020, 08:13 AM
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What are you doing with it that you need it to be over 2k all the time?

18 Ram 2500 Big Horn 68rfe, CPS tune w/ aftermarket trans tune, Revmax vb, thuren springs w/ fox 2.0
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post #4 of 11 (permalink) Old 02-24-2020, 02:37 PM Thread Starter
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When I tow I like keeping the RPMs over 2K to keep the line pressure up to keep the trans clutches from burning up. This setup loves to drop in OD very quickly which I why I want tuning to adjust the shift points.

2004 3500, C/C, Smarty, Compounds, trans, injectors
2014 3500 M/C Dually EFI, Turbo, trans
2016 3500 4x4 S/B, MM3, Compounds, trans
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post #5 of 11 (permalink) Old 02-24-2020, 03:32 PM
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If your going into 6th gear before 50mph in tow mode your do have issues

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post #6 of 11 (permalink) Old 02-24-2020, 03:35 PM
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To answer your original question no it wont hurt. Remove the ats box and reflash it with a good engine and trans tune

18 Ram 2500 Big Horn 68rfe, CPS tune w/ aftermarket trans tune, Revmax vb, thuren springs w/ fox 2.0
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post #7 of 11 (permalink) Old 02-27-2020, 03:16 AM Thread Starter
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Does anyone here know of an MM3 tuner that can write a custom tune for me? The truck came with the MM3 as a tuner. So far I am not at all impressed with that tuner but I am pretty sure that most of the issues are due to the lack of proper transmission tuning. I would like to leave the Co-Pilot in place and have the transmission tuning added without any line pressure adjustments.

2004 3500, C/C, Smarty, Compounds, trans, injectors
2014 3500 M/C Dually EFI, Turbo, trans
2016 3500 4x4 S/B, MM3, Compounds, trans
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post #8 of 11 (permalink) Old 02-27-2020, 03:19 PM
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Quote:
Originally Posted by gdh11 View Post
Does anyone here know of an MM3 tuner that can write a custom tune for me? The truck came with the MM3 as a tuner. So far I am not at all impressed with that tuner but I am pretty sure that most of the issues are due to the lack of proper transmission tuning. I would like to leave the Co-Pilot in place and have the transmission tuning added without any line pressure adjustments.
I would just dump the copilot and do it all through tuning. Been there and done that with the BD pressure box.
Night and day difference.

2011,4wd LB/CC 2500 H&S Mini MCC by Tomeygun, BD protect 68rfe VB seperator plate enhanced stall triple disk TC, Super B 64.5/80/.91 3rd gen mani & inline EB, Arp 425s, Fass Titanium 95. Spare Mini in my closet.High tech old school and finally lovin it.
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post #9 of 11 (permalink) Old 02-28-2020, 07:42 AM
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Agreed. Dump the piggy back junk and just do it right.

18 Ram 2500 Big Horn 68rfe, CPS tune w/ aftermarket trans tune, Revmax vb, thuren springs w/ fox 2.0
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post #10 of 11 (permalink) Old 03-10-2020, 12:45 AM Thread Starter
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That does sound good but my problem is that I now have a boost leak on the compounds that I need to find. Also, I bought this truck not knowing what, if anything, was done inside the engine. So until I pull out an injector to have it tested to see what size it is I cant really get an effective tune done.

2004 3500, C/C, Smarty, Compounds, trans, injectors
2014 3500 M/C Dually EFI, Turbo, trans
2016 3500 4x4 S/B, MM3, Compounds, trans
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post #11 of 11 (permalink) Old 03-10-2020, 01:15 AM
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Just to confirm.. This is for your 2016 truck? ATS built 68RFE trans? MM3 programmer?

Have you called ATS and directly asked them about removing the Co-pilot? Their built trans may need the Co-pilot to run properly.
I totally agree with the others to get rid of the piggyback Co-pilot module and harness but research first.


The MM3 is an excellent programmer but since you are familiar with EFI Live with your other 4th Gen truck, I would sell the MM3 and go with EFI Live on this truck also.

I agree with your strategy of keeping the engine at 2000rpm or above while towing.
Also agree with pulling an injector to confirm how much it flows.

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