Chrysler 300 2016 — technical service bulletin
Bulletin 21-026-16 · NHTSA communication 10121695 · issued Jul 20, 2016
Technical service bulletin
communication type
Power Train
component
2016
model years
2
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 one or more of the following conditions: · **Improve shift quality for a 2-1 downshift.** · Hanging or delayed upshift when braking down hill or when braking after high vehicle acceleration rate. · Releasing the accelerator pedal rapidly causes hanging or delayed upshift.
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.