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Hey Guys, I just received my ECM from SIA Electronics (2005 Ls430) after getting it rebuilt for harsh shifts(code C1201). The tech suggested that I get the system flashed as I have “CAN data/communication”. I called Sia to inquire about it and they said to go to a locksmith to get it flashed. -Has anyone ever got there system flashed? -If so, how much did it cost? -Did it fix any of the issues below? Greatly appreciate any help!
Lexus LS430 Ecm flash
