Hi, here is the email I sent to elm.....
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I'm very interested in purchasing your products, mainly to start with, the elm322.
My question is, with your product can I record a specific section of data from the vehicle, for example, window down, and then be able to re-transmit that section of data back to the vehicle to perform the window down function ?

Thank you for any information on this
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Here is what elm says...
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Hello:
Thank you for your interest in our products. Sorry, but our OBD ICs can not do that for you.


J. Nagy
Elm Electronics
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Maybe I didn't word things right to them or do their chips communicate with the ecm on something other than class II ? What do you think about this ?