Chrysler 300 2014 — technical service bulletin
Bulletin SB-21-050-15 · NHTSA communication 10058731 · issued Aug 18, 2015
Technical service bulletin
communication type
Power Train
component
2014
model years
2
vehicle entries
Official summary
2014 dodge charger and 2014 chrysler 300: calibration software improvements for transmission control module are available for vehicles equipped with wa580 automatic transmission *cn
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.