Originally Posted by Blacky The VIN is not updated in the ECM as part of the reflash process. Regards Paul Except technically on LB7 and LS1, where the VIN is part of the main flash, and subsequently gets erased/re-written during a full-flash...no? Ben
2005 Silverado, CC/SB, 4x4, LT, LILLY/Allison12.9s @ 108 mph many thanks to Ross and Paul
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