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Thread: 93 obs swapping 04 avalanche 5.3 4l60e 2wd

  1. #1
    Carb and Points!
    Join Date
    Sep 2023
    Age
    33
    Posts
    1

    93 obs swapping 04 avalanche 5.3 4l60e 2wd

    I have 93 Silverado swapping 04 avalanche 5.3 w/ 4l60e 2wd. The pcm OS 12587603 , calibration 12587673, hardware id 12583660, broad cast yfxm. Iím using tuner pro rt to delete vats but when I trying to save the bin it pops an error for one or more checksums could not be updated.
    Itís my first ls swap and I have no clue where to start to fix the checksum errorís.

  2. #2
    Fuel Injected!
    Join Date
    Apr 2022
    Posts
    119
    The issue is well documented on several posts on this site. Basically search for "Universal Patcher" and download it, and open your bin with it. When you close the program it automatically repairs checksums. It also allows you to do a lot of other things. There is also a checksum fix for tuner Pro, where you add a 'checksum fix' file to your tuner Pro directory. Again all of this is well documented in several posts, just do a search.

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