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is it possible to use a CUX1 coded chip in a CUX2 computer, or will that cause he!!? also is the chip able to be reprogrammed for a CUX2 once it has a CUX1 code on it.
Chris, you can't use a chip for CUX1 in a 2, or vica versa. The truck will not even start or run that way. And yes, any chip can be reprogrammed for either PCM code at any time.