Try pulling the fuse 19 and 102, whait a couple hours and put them back.
Worked for me.
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Doubtful this will do anything since both my batteries were disconnected and removed for about 3 days a couple days ago while I was doing turbo work and replacing the up pipes. But I'll give it a shot for the hell of it.
From the looks of it, it may be the instrument cluster itself that's bad. Too bad there's not a how-to for that.