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Good evening everyone. I'm new to diagnostics. Im having issues with a vehicle that I was asked to look at. 2015 Chevrolet Traverse 3.6 with 155k miles. Vehicle has 3 codes that always set after clearing codes. When cranking first code to set is P0068, after that p0101 follows and p0106.
The first time I scanned the vehicle I used a generic obd2 reader but did not saved the codes I can remember seeing over advanced timing codes but after clearing them the only ones that came back were the 3 that I mentioned previously. When I scanned with a better scanner I was able to see that there were permanent codes for timing over advanced. P0011 p0014 p0021 p0024. Not exactly sure where to start.