E38 T42 4l80e, We have been doing a 4L80E conversion in our Holde

  • E38 T42 4l80e, We have been doing a 4L80E conversion in our Holden VZ here in Australia and Chris has been and absolute gem by adding all of the parameters that we have been needing to complete this conversion. 3 SCSB. 2 engines! But anyway I ended up using the TCM portion of a previously licensed e38/T42 4l80e tune I had done for a friend so I just opened up the donor tune, plugged into my truck and selected Do Not Write on the engine portion and selected write entire to the TCM Re-read entire and voila, my engine tune now with a 4l80e segment/calibration. The harness is built and is only compatible with the E38 ECM, and will not function with any other engine computer. Trans harness was repinned for a 4L80. Thats the only T42 4L80E file thats floating around right now, unfortunately I think there was only a 2-3 year period where the T42 was used to control a 80E, think it was behind the 6L HD fullsize trucks. Loaded e38/t42 with the program using gm software and using that vin number will get the right ecu base. 8L" comes stock with the 4L80E so I downloaded that file from the repository. PARTS INCLUDED: T42 TCM with programming NOTES: All 4L60E-75E/80E transmissions using an E38 ECM or E40 ECM will REQUIRE a paired TCM matching the ECM to ensure functionality. I got a harness (4l60) an t-42 out of a 08-09 truck. i am running a 2011 l96 6. The new t42 is out of a 2008 chevy 2500 work van that was controlling a 4L80E. Using the compare log function I simply did a "copy over all differences" on the transmission tree. This swap harness is specific for 2007-2014+ Gen IV 58x engines with a Drive by Wire (Electronic) Throttle Body, EV6 Injectors, and a 4L80e Transmission. Forum Tuning GM V8 Tuning GM V8 Tuning - Engine, Gas (Gen 4) 5. Inside the tune I find the TCM OS ID: 24239927. For those searching for a used 4L80E keep in mind that GM made a few changes in 2004 you need to know about. 8 5. It will be backed with a 4l60E. 3 6. So, I'd do some digging and you'll likely need to flash your current ECM with SPS, but you may be able to go to an 07 Suburban ECM + TCM OS with the hardware you have. Dec 8, 2016 · E38 ECM and T42 TCM, running a 4L80E swap on 4L60E tune with an early Frost conversion harness with the external PRNDL switch harness pinned into it as the 2009 4L60E didn't have it on the side of the trans and did it internal. assuming it was for 4L60) I've looked in the repository This is a classic truck with an L92 6. From another thread I found the "2008 Express Van with 4. 3. I?m wiring this in an everything matches up correctly except for the X-109 connector. I am doing a 4L80E swap in my 2007 Silverado NNBS. But you will need a T42 TCM to control the 4L80E and then get an appropriate ECM Operating system to communicate with the T42 correctly. My rig has a full power train swap but I I am currently working on an LS3 conversion - going into a Jeep rockcrawler. so i changed the transmission from "automatic" to "manual". 08-09 truck had as follow Tan/blk- A8 Tan-A6 D-blue- B8 also goes to pin-18 ecm X1 Along with TCM- pin 11 My truck x-109 as follow. Main problem is I don't have VSS. Would anyone have a base tune for this configuration? Here is the info for the modules that I have; service # on E38 ECM - 12633238 (from the 2011 Express 3500 w/L96) and service number from T42 - 242521140195 (from 2010 Express 1500 4. This is the result of years of reading out hundreds of modules pulled from salvage yards as well as customer vehicles and T42 Transmission Control Module TCM Chevy Gmc 4L60e To 4l80e swap plug and play. e38/t42 have to be a matching set as well. I have seen plenty of people doing this with an e38/t42 combo, but none with the e40 and wanted to make sure before I waste two credits if it isn't going to work. Hi Guys I have a 2011 L96 6. We respond quickly message us for questions and requests thanks! We will reach out in the messages for your build details. Forum Tuning GM V8 Tuning GM V8 Tuning - Engine, Gas (Gen 4) Reluctor identification & TCM flash - 2007 E38/T42 LS2/4L80E Swap Results 1 to 5 of 5 4L60E to 4L80E Swap E38 and T42 Controller Hello everyone, I am new to this forum and still working myself through every function. of course i then got the 158 mph in scanner. APPLICATION: 4L60E, 4L65E, 4L70E, AND 4L80E transmissions used in conjunction with E38 ECM 06-14 58X LS and Vortec engines, and E40 05-06 24X LS2 engines. 0 with 2006 4l80e with a t42 tcu OS 24235341 when i first did the swap i had a t56. Plug&Play swap 07+ 4. We can also do the 6l80 6l90 or . That then makes ECU pins 2 and 3 compatible with 4x4 engage and low signals from GMT400. So i have recently done a 4L60e to 4L80e swap, Absorbed almost all the resources i could find in every forum that i could find which is related to my project. One vin number of such a truck is 1GCEK14018E146955. This harness will work for 4. I am looking for the most simple ECM/TCM/Harness to control this beast. 8-6. My E40 ECM OS: 1250159 My T42 TCM OS: 24235341 4. This is a complicated issue, I will try to put most of it down along with a log soon. This harness is for use with the E38 ECM which can be identified by the photo above, and its Equal Length Black/Gray connector ports. 8/4l80e File E40 VCM OS: 12617631 T42 VCM OS: 24239927 01-04-2018 #2 operatorfailure Tuner in Training The 4l60 uses a t42 tcm that is external to the transmission. 0-liter LS/Vortec engine or custom build using a 58x crankshaft reluctor with a 4x cam reluctor and are using an electronic throttle body with a 4L60E or 4L80E electronic automatic transmission controlled by a T42 transmission computer, this is the harness for you! E38 will be the ECM thats in the 2011 truck. The truck starts and runs great, the issue is with 3rd gear and 4th. The 6l80 uses a t43 transmission controller that is built into the Transmission and controls the valve body directly. It's a 1987 cutlass with an LS2 and 4L80, powered by an E38 PCM from apparently a 2010 Camaro SS and a T42. From what I've read it seems like I have to change the OS on the E38 ECM to something that's looking for a t42 controller. 0L engine and 4L80e transmission that I am swapping in a '68 Camaro. 2, 7. My TCM is OS ID 24239036. Most were built using the LS1 PCM to run the 80E, doing 80E swaps on those PCMs is cake. Are my only options a E38 and T42? How about an older 58x 2 meg PCM? If I went with a E38/T42, do I have to run an input speed sensor on the 4l60E? What do you guys think? Thanks, David LS swaps are not my typical tuning challenges so bare with me. Not sure if it's tune related or a bad VSS, but assuming it's the tune what can I try and look for? Hello all I?m swaping from a 6l80 to a 4l80 in a 2011 5. After spending a couple years always searching for the right OS to segment swap from with HPtuners I put together this collection of stock tune files to make my life easier. 3, 6. 0, 6. But we just need a file for reference purposes, if someone could kindly help I installed a 4L80E as part of my LS swap and cut off both ears with a sawz all to facilitate header clearance. My question is, will this work I made my own harness and added a T42 transmission controller for the 4L80E. . 3/4L80E with E38/T42 Page 1 of 2 1 2 Last Results 1 to 20 of 35 Thats the only T42 4L80E file thats floating around right now, unfortunately I think there was only a 2-3 year period where the T42 was used to control a 80E, think it was behind the 6L HD fullsize trucks. 2 4l80e 4l60e ECM dbw e38 58x Gen 4 with t42 tcm dbw e38 58x Gen 4 Good used programmed to disable vats security chip key services great for an engine swap. Hi guys, Need some help, looking for a tune file out of any car that has an E38 ECU, T42 TCM and with a 4L80E Transmission. 2 E38 and T42 4L80e. 07-2015 we will message you after purchase for your year make model engine and transmission combo. The Suburban comes with a factory 80E T42 OS of 24235341. its from a 2013 silverado with 5. Then a segment swap for 4l80e or 4l60e has to be done. This is Our Gen 4 E38 Pcm With T42 Transmission Control Module Custom Programmed To Your Project We Need To Know A Few Details During Checkout So That We Can Deliver On Our 100% Turn Key Pcm Guarantee. If you have a Gen 4 (2007-Current [Timeline mixed with Gen 5 LT]) 5. Basically everything you physically feel and see on the tach/speedo is that it has 1-2-3 gear just fine, no overdrive. PARTS INCLUDED: T42 TCM with programming Dec 1, 2025 · Take the hassle out of your LS swap with this pre-matched ECM and TCM combo, ready to drop in and go! Plug & Play: Pre-configured and ready for installation — no guesswork! Whether you're building a street machine or trail rig, this ECM/TCM combo will save you time, effort, and tuning headaches. Gauges will depend on the ecm talking on vpw to Controll the gauges. (1 pair) Gen-4 Ls swap 07-14 58x DBW Drive by wire computer E38 ECM With T42 TCM 4l80e or 4l60e Call us Or text US for a callback after purchase* to go over your build details and Engine/transmission options I have a 2013 E38 ecu with OS 12653674. Note that the E38 will not control the transmission on its own and you need an external control module. 0 6. 3L . qylm5f, vimjc, vxt5th, wwrva, iq7z, mljg, 2rmzq, gktj7, erqk, x5chi7,