Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
I think the first thing to do is to stop going to that dealer. They sound like bunch of crooks. $75 to check codes and another $75 if they don't get it right the first time? What a joke!
Plugging in a scan tool to check for codes takes about 5 minutes and costs the dealership nothing at all. The dealership acting like it's some sort of in-depth process that somehow justifies a $75 charge is ridiculous.
Off my soap box.
Now, most parts stores will check for trouble codes for free. Do you have an autozone or Orielly, or similar nearby? See if they can run a quick scan to see what might be making the stabilitrack act up- normally it's from either a speed sensor error or a misfire. Once you have a trouble code indicating which system is triggering the fault we can go from there to determine if it's covered under warranty.
What model is your chevy?