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Discussion Starter · #1 ·
So I got a P2B95 Code today cleared it out using my OBD2 scanner and the Torq App on my phone went to a rough idle for like 3 secs before settling down. Drove 30mi highway and backroads no issues and it didn't come back. With all the CEL codes these things seem to be throwing and the small engine I'm thinking GM overcalibrated the parameters to leave next to no wiggle room. I'll update if anything new pops up.
 

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2021Trailblazer RS AWD Scarlet Red Metallic
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What is the code related to?
 

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Discussion Starter · #3 ·
No real data said powertrain and something about recalibrating the ECM due to a startup voltage irregularity. Which leads me to believe my earlier assumption isn't likely to far off just another gremlin that is all screech and no bite. Those are the best ones just annoying how often these things happen in the TB. New non-car enthusiast owners would prolly be going crazy.
 
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