Autofilter doesn't work in Excel VBA

Hi, I'm working on a spreadsheet with 14945 rows and I need to autofilter column n° 70 (which has only TRUE and FALSE values) to show only the TRUE values.

I run the following code and it shows absolutely nothing. If I manually remove the autofilter and reapply it, it works. However, I can't get it to work using VBA. Not even removing it and reapplying it using VBA code.
I'm using Excel 2003 SP3 and the code is the following:

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Any ideas??

Thanks in advance!