Chrysler 300 2016 — technical service bulletin
Bulletin 21-028-16 · NHTSA communication 10130078 · issued Aug 20, 2016
Technical service bulletin
communication type
Electrical System
component
2016
model years
3
vehicle entries
Official summary
Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience a less than desirable down shift during one or more of the following: · 3-2 coast down shift. · 2-1 coast down shift. · 6-5 coast down shift.
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.