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Potential Tuner
6L90 to 6L80 Express VAN 8.1L E38 2013
Hello there! How are you doing?
So I changed the transmission hoping to get it working just by changing the VIN... did not work... so after a lot of reading I discovered that I need to find a compatible OS. Either on Chevrolet TIS or a set of hptuner files.
Does anybody have the pair for this combo? Could not find it on the repository. I attached the read of the current ECM and TCM modules.
Lectura ECM y TCM.hpt
Thanks!
E38 OS is 12654075
T43 OS is 24270599
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E38 OS 12654075 was used by 2013 Express vans.
T43 OS 24270599 was used by 2014 Corvette and 2014+ Trucks with Gen 5 DI engines (E92 ECM).
Your 2013 Express van would have originally used T43 OS 24265260.
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Potential Tuner
Thank you very much!
So, do you think I could have READ the original T43 from the 6L90, then write on the 6L80 TCM and everything would have work perfect?
And if I can't get the old TCM, I can use TIS to write the 24265260 and everything should work? Thanks again!
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Tuner in Training
I'm here to know what happened. I have the same problem, same T43 OS but the operating system of the ECM e38 is: 12639835