GM GEN IV TUNING SETUP SYSTEM SETTINGS & TRANSMISSION

GM Gen IV Tuning: SETUP - System Settings and Transmission. In this video we show you step-by-step how to modify the cooling fan function as well as eliminate the skip-shift function (CAGS). This applies to E38 and E67 ECMs used on 2006-up LS2, LS3 and LS7 engines.