+1Did you recently install a bluetooth enabled OnStar box? That's when I started running into the TPS display sometimes appearing during startup.
I had this happen a couple times after installing my costar Bluetooth unit and thought it was just a fluke. The first time I was confused and thought maybe I left it on that screen. It stopped after a couple days and haven't seen it since. No warnings or errors and had to cycle back through to the digital speedo.
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