A/T Controls - Harsh 3-2 Downshift When Cold
01 11 16November 4, 2011
2022260 Supersedes T.B. VOl 0919 dated December 10, 2009 to include 2010 model year.
Vehicle Information
Condition
Update Programming Transmission Control Module for Harsh 3-2 Down Shift when Cold
Under cold conditions (ATF temperature below 65°C / 149°F), downshift from 3rd to 2nd gear is harsh as vehicle is decelerated by application of the brake / brake pedal.
Technical Background
The basic application software in the transmission control module has been changed to improve shift quality with ATF temperature below 65°C I 149°F.
Production Solution
Improved software.
Service
Update-Programming Procedure:
Tip:
Update the Transmission Control Module using the SVM Action code as listed in the table:
The procedure can be found in GFF under Functions/ Component Selection, Software Version Management, Adapting Software.
Warranty
Required Parts and Tools
No Special Parts required.
Additional Information
All part and service references provided in this Technical Bulletin are subject to change and/or removal. Always check with your Parts Dept. and Repair Manuals for the latest information.
Owner Information About Control Module Tuning