Speedometer stopped working

[TooTall1]

This afternoon I start my 2008 Silverado to go to work and notice the indicator light beneath my gear indicators isn't working when I shift into reverse. Kinda odd I thought as I pull out of the driveway and head down the road only to see my speedometer isn't working. Tach and other gauges appear to be functioning normally. I turn around and head home. I scroll through the DIC and notice my oil life monitor isn't reading properly. Any ideas?

[8.1HD/ALLISON]

Sounds like cluster issues to me.

 

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