Flash: Transmission Control Module (TCM) Updates
This bulletin involves reprogramming the TCM with the latest available software. The customer may notice:A harsh 2-1 shift. Hesitation in up-shifts and/or down-shifts. Shudder and/or clunk when shifting into gear. The following software enhancements are available:2-1 coast down-shift improvements. 1-2/2-3/3-4/4-5/5-6 shift improvements.
