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Find out who did the EFI license on it originally, as that person is the only one that can reflash it again without paying another 100$ for someone else to.
 

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Discussion Starter · #5 ·
I dont understand How EFI LIVE works. Have never done this before. This is all new to me. I am a Auto Body Repair guy so.... I dont understand how you just put in a program and all that. Can i do this stuff myself?
 

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Unless you have the hand held V2 with cables that first tuned (flashed) the truck you bought, another V2 owner can't retune (reflash) your ECM, or TCM without relicencing your ECM & TCM to there V2. (100$).
 
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