Back in the summer I had to have the driver's window replaced on my 2007 TSX due to a carwash malfunction which badly scratched the glass. After the replacement of the window the auto up/down feature no longer worked. I had my local Acura dealer diagnose it and their only recommendation was to start with replacing the master window switch at a cost of $600. I declined and went on eBay and purchased the master switch from a 2008 TSX and after installing it and going through the relearn process I still cannot get this window to go up or down automatically. Any ideas? What else would be causing this function to not work?

 

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try doing a "window reset"