I just had something similar happen on my 2003 A4. The fuse for the washer
was blown. I replaced it and it happened again almost immediately. I took it
dealer (still under warranty), and they told me there was a TSB for a
problem with the
location of the electrical connections on the pump. Apparently the pump
are in such a location that water/washer fluid/whatever drips directly on
them to corrode. They replaced the pump with a new design. So far so good.
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