LI27.60-P-071237_Ver_1 PDF

A document that addresses a shift quality concern related to the 5 to 4 coasting downshift in certain vehicle models with specific engine and transmission combinations. The issue occurs with cold transmission oil, and a software update to the VGS4NAG2 control unit is recommended to resolve it. Detailed instructions on updating the software and control unit fault codes are provided to address the complaint effectively.