GM P59 PCM Tuning Knowledge - 5 calibration entries

These 5 entries document the GM P59 PCM: what the log shows, how the parser reads it, and what tuners changed in response. The largest bodies of evidence are Airflow rationality / electronic throttle reduced-power reference, Boost operating-system resolution reference, and boost operating-system resolution tradeoff. This page shows aggregate counts only; individual KB rows, source details, and tuning findings remain available inside the signed-in app.