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Type: Posts; User: chameleon

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  1. Replies
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    of course this thread like every other is left...

    of course this thread like every other is left with no update. no this cannot be done this easy. the new T87A is expecting 1 wire signal from the E92A that matches it. only this completely...
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    2 years later and I'm bringing this back up where...

    2 years later and I'm bringing this back up where I left off..
    Seems the only difference from a E92 and E92A ecu is one pin that gives the TCM a shift lever position signal and is voltage. Without...
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    I am in the same boat as you and most likely went...

    I am in the same boat as you and most likely went farther with this than anyone else, haven't continued the project in over a year if not more.. im going to dive back Into this, dm me for Info.
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    Here you go.

    Here you go.
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    it also means the TCM is trying to give you its...

    it also means the TCM is trying to give you its own code, so basically P0700 means there is a trans check light, and then you need to scan the trans module to really know whats going on.. P0711 is...
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    Those are the most common and supported service...

    Those are the most common and supported service numbers, they need to match the car because of how its configured and how it will handle the software, dont have a real answer but that's my take on it.
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    So i said screw it and started it on friday.. its...

    So i said screw it and started it on friday.. its all done but i cant seem to get tre transmission to do anything and i know why, i have 3 wires that on the 2018 come from the ecu and are 5v sensor...
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    Gathered a ton of new info.. programmed my own...

    Gathered a ton of new info.. programmed my own TCM and have everything ready to go. have to make a conversion harness. Might actually tackle it all within a few hours..
    will take pics and document...
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    ok well I have the 10L90 plug & 8L90 Plug on...

    ok well I have the 10L90 plug & 8L90 Plug on their way. ill work on making the conversion harness. Im really on my own now..

    "I don't have any idea if that is going to work. I don't know how to...
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    The plugs are different.heres pics of the 8l90...

    The plugs are different.heres pics of the 8l90 trans plug. 9577495775
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    No lol just trans/converter.. truck was...

    No lol just trans/converter.. truck was dismantled and gone.. god knows what they did with the harness.. I'm still waiting to hear back from the swap harness guy about making me a harness.. he said...
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    I was hoping i could find a tranny + tcm combo...

    I was hoping i could find a tranny + tcm combo but that didnt work out, so as of now plan is to just get the solenoid data from GM servers which im working on. ill shoot ya a PM
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    Transmission is Ordered! ships out tomorrow.. no...

    Transmission is Ordered! ships out tomorrow.. no turning back now lol 2018 Yukon 10L90 with 1,200 miles..
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    Here's more info from HPTuners themselves. maybe...

    Here's more info from HPTuners themselves. maybe we can make this a FAQ for anyone else in the future..

    Question: Alright how about if I have a T87A that came from a 8L90E donor car and I
    am...
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    So awesome! thank you!! so your basically saying...

    So awesome! thank you!! so your basically saying its all the same shit...
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    Alright guys, so boatload of info coming right...

    Alright guys, so boatload of info coming right now lol
    I got my $21 ebay T87A today, which came out of a 2017 CTSV 8spd.. popped it in my 2015 Yukon 8spd, turned it on.. went into reverse out of the...
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    Have no idea lol .. it never shows up unless im...

    Have no idea lol .. it never shows up unless im in Manual which I never am.. and if i am its just to blast thru 1-4 or so.. hoping since it was digital it would just work but honestly that would be...
  18. Any resolution on why these codes were popping up?

    Any resolution on why these codes were popping up?
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    2019... and slipping? whoaaa

    2019... and slipping? whoaaa
  20. Replies
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    Hey you happen to have wiring diagram from the...

    Hey you happen to have wiring diagram from the 8L90 & 10L90 trans plug ? im already going to assume the wiring at the T87 & T87A plug is exactly the same since they can be swapped.. but the trans...
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    just figured I share a snippet from the T87A...

    just figured I share a snippet from the T87A unlock page.. which confirms that you can give them Any T87A and they will program it for whatever you are going to use it for.. I asked via email so...
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    Thank you for the detailed reply.. now it seems...

    Thank you for the detailed reply.. now it seems every 10spd I find does not have the matching TCM.. they always split them up and not keep them matched so that's going to be the other challenge.. i...
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    well this kind of makes no sense, so if HPTuners...

    well this kind of makes no sense, so if HPTuners sells me a brand new unlocked unit, then it would seem they load whatever you tell them your going to use it for.. correct ? so assuming i provide...
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    Turns out the T87A I got came from a 2017 CTS V...

    Turns out the T87A I got came from a 2017 CTS V with a 8SPd.. lol confidence didnt even pay attention what it was out of.. but end goal is to get the matching T87A out of whatever 10spd I get so that...
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    Damn lol I'm assuming you use this thing everyday...

    Damn lol I'm assuming you use this thing everyday and cant ship it to me for a day?

    I found a T87A on ebay for $20 shipped just to experiment with and get unlocked.. but I really assumed once...
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