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  1. Colorado Diesel Tuning
    Hoping I can get some input from you all on this: I tried to read the (what I thought was stock) TCM on my T43 in a 2016 Chevy Colorado Duramax. I ran into an error when trying to read the file and talked to my new tuner. They told me I’d have to re-link to the previous tuner’s FlashScan, then...
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