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Thread: Which of you runs an E67 with T42 4L80 and in what vehicle?

  1. #1
    Tuner in Training
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    Which of you runs an E67 with T42 4L80 and in what vehicle?

    It is a 09 GMC Canyon 5.3, 4L80 swapped, with an OS of an express van with 4L80 in the T42 starts in second gear but the signals on the dash are correct. (OS: 24239927). I found help with someone who did it in an 07 TBSS (OS: 24235341), the four shifts works fine, starts on first shift now transmission all fine. But this problem starts when in the dash I haven?t speed signal and TR signal freezed, speed 255km/h and TR signal is 1st gear all time.
    *(I don't want to use relays with 4L60 OS)
    Tell me about your 4L80 swaps on e67 ecu?

  2. #2
    Advanced Tuner
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    That's an 08 TCM OS just FYI, the Express Vans used it in 08 and I know the TBSS used that OS in 08 (no V8 Colorado in 08 IIRC).

    I just grabbed an 09 Express file from the repo, the TCM OS is 24243356. 09 Colorados use the same TCM OS # so a segment swap should be straightforward, wire it as a 09 Express Van 4L80E and you're done.
    ~Erik~
    2013 Sonic RS - manual, CGM, 6M, sunroof, mods in process
    2008 TrailBlazer 3SS AWD LS2, loaded, dropped, modded, SE22 Performance tuned. And then some...
    2002 TrailBlazer LT 4WD 4.2L I6, lifted, tires, exhaust, SE22 Performance tuned

  3. #3
    Potential Tuner
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    Bringing this back from the dead, did you ever got your truck working correctly? What did you use after all??

  4. #4
    Advanced Tuner
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    I haven't heard back if the OP got the issue resolved. If you're doing a 80E swap in a stock vehicle, stick with limiting the variables. I.E. if you have an 08 Colorado 5.3 (E67) + 4L60E (T42), keep the matching 08 ECM + TCM OS pair so there won't be issues with CAN comms. I have 4L80E T42 files for both 08 and 09 that (should) work with Silverados, TrailBlazers, and Colorados from the Express Vans. I've found these 4 platforms share the same TCM OS for 08 and 09, so segment swapping from an Express is straightforward.
    ~Erik~
    2013 Sonic RS - manual, CGM, 6M, sunroof, mods in process
    2008 TrailBlazer 3SS AWD LS2, loaded, dropped, modded, SE22 Performance tuned. And then some...
    2002 TrailBlazer LT 4WD 4.2L I6, lifted, tires, exhaust, SE22 Performance tuned

  5. #5
    Potential Tuner
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    Apr 2009
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    Zapata, Tx
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    Yes I just did that, mine is from an 09 and following your advice I got one from an 09 express with the same OS as the tcm I have.