Flash: Transmission Control Module (TCM) Updates
This bulletin involves reprogramming the TCM with the latest available software.
Customers may experience any one of the following: An audible clunk after applying throttle from a coasting condition, predominantly in fifth and sixth gear while driving 48-72 kph (30-45 mph). Poor shift quality or ?bump? experienced during 2-1 coast downs with light brake or no brake applied. Vehicle does not default to automatic drive. Paddle shifters are disabled. "Shift not allowed' displayed in cluster when attempting to upshift while already in 9th gear.
