Thread: Gm S/c
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Old 08-29-2007, 01:49 AM   #66
Cliff8928
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theoretically as long as there's no pinout changes on the PCM and the part number of the PCM is the same between 99 and 2000, then you could do the re-flash. The technician would just have to "build" the car as a 2000 in the Tech 2.
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