Flash: Transmission Diagnostic And Shift Enhancements
This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software.
A small number of customers may experience the following:
? Poor shift quality.
The following enhancements are included in this software update:
? Upshift improvements.
? Downshift improvements.
? Better gear engagement.
? Uphill/Downhill improvements.
? Improved coasting behavior.
