Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Date Published
SEP 26, 2014
NHTSA TSB #
10124811
TSB Document
Summary
Supersedes Technical Service Bulletin Group 37 number 14-39 dated August 1, 2014. Hesitation concerns, harsh downshifts when braking, or harsh 1-2 upshifts. Further transmission control module (TCM), J217, software calibration needed to improve shift concerns. Further engine control module (ECM), J623, software calibration needed to improve hesitation.