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Jesse C

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About Jesse C

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  • Name
    Jesse Campbell
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  • Drives
    2006 Silverado, 2009 Sierra, 2007 BMW
  1. Hi! I'm digging through search results, and will probably find the answer eventually, but anyone have a quick answer... I have a used ECM from another truck that I've run the replace and reprogram ECU function on, so it has the correct VIN for my truck (2009 Sierra) I also have a new TDM. When I put in and turn the key, the security light just stays on. Checking tech2 (clone), it says Key Valid: No (amongst a bunch of other things) Do I need to buy a brand new master key for the truck before I can proceed, or can I use this one? Do I need to syn
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