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Originally Posted by haigha
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Nope - not the same. A Reset/Relearn is an adaptation reset - to be avoided unless you have replaced major components in the transmission.
A software update requires a copy of the new firmware for the transmission controller (EGS) and a tool (laptop and software etc.) for programming the transmission controller. Note that I said transmission controller and not the transmission itself. Transmissions aren't programmed but controllers are.
The hand-held scanners will not update software/firmware in the car (in general).