Chrysler 300 2017 — technical service bulletin
Bulletin 2103617 · NHTSA communication 10224720 · issued Aug 3, 2017
Technical service bulletin
communication type
Electrical System
component
2017
model years
2
vehicle entries
Official summary
Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Customers may describe the following:Poor shift quality including harsh upshifting (bumps).
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.