Flash: Transmission Shift And Drivability Enhancements
This bulletin involves selectively erasing and reprogramming the Powertrain Control
Module (PCM) and Transmission Control Module (TCM) with new software.
NOTE: Both the PCM and TCM must be up to date for these changes to be effective.
A small number of customers may experience one or more of the following conditions.
? Will not reach max speed (over 256 kph) during freeway driving. (International
Market Only)
? Less than desired upshift quality in Normal or Sport mode
? Shift inhibit while transitioning in/out of MDS mode
? Less than desired downshift quality while coasting with the brake released or while
passing.
? Vehicle will not display 2nd gear when entering Manual mode from Snow or ECO
mode
? High speed gear hunting (shifting back/forth repeatedly between two gears)
? Will not exceed 20 mph in reverse.
? Less than desired 2nd gear launch quality while in ECO mode
? Unable to launch in 3rd gear in Snow mode in higher altitudes.
? Less than desired shift quality during accelerator pedal tip in/out acceleration during
Torque Converter Clutch operation.
