Flash: Transmission Shift And Drivability Enhancements
This bulletin involves reprogramming the Transmission Control Module (TCM) with the
latest available software.
A small number of customers may experience one or more of the following transmission
related concerns.
? Less than desired shift response when towing or driving up steep hills in high
ambient temperatures.
? Delayed shift when driving in 4WD Low.
? Vibration or resonance in the cabin on acceleration from a cruising speed.