GM LY6 Tuning Knowledge - 3 calibration entries

These 3 entries document the GM LY6: what the log shows, how the parser reads it, and what tuners changed in response. The largest bodies of evidence are Datalog interpretation, No-start diagnostic reference, and No-start diagnostics. This page shows aggregate counts only; individual KB rows, source details, and tuning findings remain available inside the signed-in app.