I just replaced the Volkswagen/Audi Auxiliary Fan for $26.86 (Control Unit # 1J0 919 506 K)... FIXED THE PROBLEM!!!
Originally I had: Both fans and compressor not working, all fuses good, and all grounds good, and an extremely high 134a pressure on both the High and Low side. I bought the part on eBay, swapped it out, and instantly problem solved!
(Side note) I discovered that one fan is not working correctly (which I will address later), however the A/C is working GREAT again!
If you have cooling fans, then it could be your compressor itself. If you hit the A/C button, and there's no cooling fans, try a new "Cooling Fan Control Module" it's a common problem on early 2000 VW's.
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