GM LS swap 2012 L99 with 6L80 transmission CAN communication diagnostics Tuning Knowledge - 1 calibration entries

These 1 entries document the GM LS swap 2012 L99 with 6L80 transmission CAN communication diagnostics: what the log shows, how the parser reads it, and what tuners changed in response. The largest bodies of evidence are CAN bus diagnostics. This page shows aggregate counts only; individual KB rows, source details, and tuning findings remain available inside the signed-in app.