PSI How to Remove a TCM from a 6L80 / 6L90 Transmission

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In this Video Matt from the PSI Team will quickly walk you through the process of removing a TCM from a 6L80/6L90 transmission. Matt has lots of information that he would like to share with you to help with any swap. This will be one of many videos upcoming to help with you LS/LT Swaps, so you can "Wire it Up & Fire it up!"
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Опубликовано:

4 июл 2024

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Комментарии : 64

@LessThanIdealPodcast 2 года назад

Awesome video guys. Perfect tutorial, good production, great concise information. 10/10.

@lowdoughgarage Год назад

Great video! Thank you! Mine was an E10 socket. The E12 did grab though.

@rogervonschleusingen4603 Год назад

great video mate.. thank-you very much !!...i noticed bolt 5 as well and its been addressed...thanks a whole lot for video !!

@kellyimus6247 2 года назад

I have been having some weird glitches with my transmission randomly going in and out of neutral from drive. When this happens the pwr door locks unlock and lock. I had this recently diagnosed by my dealership as the TCM. So while I'm waiting for the back ordered part, which thankfully is covered under my powertrain warranty, I've been doing a little research online. There was a lot of confusion on the net as to where the TCM is located on my truck, which is a 2018 Silverado 1500 Crew 4x4 with a 5.3. After seeing your excellent video it became very clear. Thank you!

@davewilliams9000 2 года назад

Great vid Matt 👌

@jayszephyrhill1913 7 месяцев назад

If u have issues with the E12 and it doesn't grab. Apparently some sockets are deeper than others. What i did was grind down the E12 i had a little and it worked. When i first put the E12 it would slip off like it was to big but the issue was that the the curved par of the socket was too deep and the star pattern wouldn't make enough contact. Great vid helped me get an idea of what to expect before taking it apart thanks 👍

@kalani1987 2 года назад

Where would the Pressure sensor be located?

@omarvelasquez785 Год назад

Is the speed sensor also in there?

@capitalr8649 2 месяца назад

I replaced the passage sleeve twice and it’s still leaking from the connector. I have a new TECHM installed as well. At this point I’m tired of dropping the pan to address the sleeve. Plus the pins aren’t loose.

@jackhinkle1401 Месяц назад

Can the transmission temperature sensor be replaced in the unit.

@rahsaanstratton2390 8 месяцев назад

So my G8 GT has the 6L80. By doing these steps I’ll be able to access my TCM?

@shelbyeliecastellanos1273 5 месяцев назад

Can this TCM, even though its internal, still be reset by unplugging the battery for 30 mins? Great video btw. I was having trouble finding where the TCM was on my 2016 suburban

@limabravo6065 Месяц назад

So is there a way to use one of these transmissions behind a small block or even an ls style engine not a factory combo? Ive decided to stay with an automatic and i got a 6l80 2wd unit essentially for free. I know the controller is internal and relies on inputs from the pcm so is there a way to mimic the signals that thebtransmission expects to see or....?

@garzafacilityservices909 Год назад

Got a code uv1001 lost communication to TCM. Replaced it and now it's making noise on transmission what can it be?

@ramonreinoso1671 Год назад

Me repararon la transmisión de una Suburban 2016 y sigues como trabadas se agarra y no quiere cambiar los cambió

@caseybecker5394 6 месяцев назад

What are the torque specs for all these bolts when reassembling? Thanks! Good tutorial!

@MOUNT1N33R 2 месяца назад

Wish I knew

@Mr18Chapin Год назад

I am trying to replace my transmission with a used transmission. Can I just transfer the TCM to the new/used transmission?

@Hoss_Stang Год назад

I'd like to know this too

@Just_B_ok Год назад

Can a bad TECHM cause loss of 4WD? I also have no communication with Transmisson. I have received a new valve body with programmed techm for my specific Vin and 6l80 transmission. It says I need to do quick adapts with scan tool. Do you think after doing this my 4wd will work and communication will be restored?

@westhomp1721 11 месяцев назад

I was told the ECM, TCM needed reprogramming and also needs the quick adapts relearn.

@carlosvalencia3388 2 года назад

I did a LS swap on my 87 C10 I got a donor 2007 Yukon denali. 6.2 6L80 AWD but i ended up getting a 2wd 6l80 from a pickup truck i have a U0100 code and u0140 truck feels like it starts in 2nd or 3rd gear? It doesnt shift thru any gears at all. Do i have to swap tcm from the awd trans to the 2wd trans?

@AuDoematic 2 года назад

What did you come up with? I'm having the same problem

@carlosvalencia3388 2 года назад

@@AuDoematic i ended up swapping tcm's from the original awd trans to the 2wd trans and issue and codes went away immediately.

@dewaynewayne6175 2 года назад

@@carlosvalencia3388 are you shifting through all the gears properly since you put the AWD tcm in?

@fergap9438 8 месяцев назад

Question, do I still need to send the tcm in even if it is being swapped from another transmission?

@LGFILMS224 8 месяцев назад

I have the same question lol

@langsbr 2 года назад

I have a 2008 Escalade with a 6L80e that is having EXTREMELY harsh 4-5 shift under any load. Other than that, there is no slipping, flares, or anything. Logging shows no errors, and there are no codes. Does this sound symptomatic of a TECHM/valvebody issue, or more likely the transmission itself? Fluid is at proper level and not burnt, trans never gets above 145F.

@westhomp1721 11 месяцев назад

Was it ur gears inside the transmission?

@langsbr 11 месяцев назад

@westhomp1721 techm and valve body fixed the issue for me. Trans still going after replacing the techm and valve body.

@remynyc23 8 месяцев назад

@@langsbri have a 6L90 Hard shift from 2-3 gear Wondering if this would be a solution for me

@langsbr 8 месяцев назад

@remynyc23 it's worth a shot if you can diy. 500 bucks is better than 3k+ for a new trans and I did the techm in a couple hours on jackstands

@Hoss_Stang Год назад

Swapping a 2012 6l80e into a 2014 truck. I have hp tuners but can I get away with just swapping tcm from old trans?

@westhomp1721 11 месяцев назад

6l80 need to be reprogrammed to Vin.

@michaeljohnson91501 Год назад

Is it absolutely necessary to remove the transmission to get the out/in TCM???

@juanmmartinez1703 Год назад

Nope

@stephendudla 3 года назад

So if I'm using a 6l80 that came with my motor and the ecu that was in the car do I still have to have the tcm tuned?

@psiconversionyoutube 3 года назад

A few setting in the ecu would have to be turned off or on (like vats) so yes, you do need to get the ecu in a tuned. If you just put the ecu in the car as is nothing will work.

@stephendudla 3 года назад

@@psiconversionyoutube yea I got the ecu done for vats but some people are saying that I have to do the tcm as well just trying to figure out if I have to take it out and send it in

@psiconversionyoutube 3 года назад

Correct, we offer the TCM unlock as a service, they require additional software to pair the TCM to the ECM if they are mismatched. You will not be able to shift if this is not done properly, and it requires more than HP Tuners. Contact us via phone or email and we’ll help you out

@Calvotuned 2 года назад

@@stephendudla 😝 y su familia familia o 👀 y Im la m lo more ñ

@jeremyallen3448 Год назад

@@psiconversionyoutube we are getting a no comm reading does this mean the tcm is bad. If tcm is bad should that be under warranty with the transmission

@pastrana37 Год назад

thank you so much for share this video i really appreciate,I own 2007 gmc yukon still low miles,this video help me a lot to fix my issue code PO776-00 ,once again thannk you👍

@roblogan6866 7 месяцев назад

I have a 2012 camaro SS 6.2 with a 2010 6L80 behind it. The TCM wont communicate with the ECM. Took it to the fifth shop today and all they did was to loose my tune. Can you delete the vin and install the correct vin into my TCM,

@HERNDZ454 4 месяца назад

Did you find a good shop. I have the same problem.

@mr2hard2see 4 месяца назад

@@HERNDZ454 I’m having issues with my 2011 SS. I have no gear display on the cluster. Also it’s stuck in first gear but has reverse. It still pulls hard but won’t shift and rpms just go up. Is yours like mine?

@HERNDZ454 4 месяца назад

@@mr2hard2see Yes the same problem. I’m going to get a new TCM and get it programmed. Hope that fixes the problem.

@mr2hard2see 4 месяца назад

@@HERNDZ454 ok I’m going to do the same. It’s $410 shipped from street smart transmission w calibration.

@HERNDZ454 3 месяца назад

Did you get the TCM from street smart? Did it fixed the problem I’m going to start with mine.

@KalvinD 3 года назад

It looks like you guys accidentally labeled number 5 as the one right next to number 6 when in actuality it's the right bolt on the white prndl housing just to the left of what you labeled 5 as. This video was helpful as I would've been lost, but that bolt being mislabeled threw me through a loop.

@psiconversionyoutube 3 года назад

you are right, Our tech took out the right bolt but it was mislabel. thank you for pointing that out and im glad the video helped you out!

@KalvinD 3 года назад

@@psiconversionyoutube 👍🏻 just purchased a wiring harness and pcm tcm program should be in your inbox. Working on getting it shipped out thanks again guys!

@Stinky_G04t Год назад

Does thsi require the vehicle TCM to be programmed if replaced I have faulty one and get a fault for it.

@mr2hard2see Год назад

@@Stinky_G04tdid you get that fixed. I just ran into Tcm problems code u0101. I’m going to check my battery and connections first. If that doesn’t work I’ll get to the valve body

@Stinky_G04t Год назад

@@mr2hard2see so we are having to have it replaced we tryed to reprogram the TCM the first step on the Gm tsb and if it dosnt fix the issue it’s a have to replace the TCm that’s what we are doing sense it’s a high hp car it’s about that time anyway so I’m getting the car done then taking the truck in before it has any issues

@westhomp1721 11 месяцев назад

As a complete unit the TEHCM should be replaced too.

@mamz1404 3 года назад

اللهم صل وسلم وبارك على عبدك ورسولك ونبيك محمدﷺ

@SirManny4 3 года назад

Great video. Stupid location. lol

@psiconversionyoutube 3 года назад

lol Thank you!

@mikegay3211 3 года назад

Can you please tell me how do I change a 4 wheel drive to A 2 wheel drive 6L80 How can I find the parts to do it

@psiconversionyoutube 3 года назад

Hey Mike, talked to a few guys here to try and get you some info. Sadly this is not something we do here. That is something you can do but its alot of work and as I'm sure you know not simple to get parts for.