Dodge Challenger 2013 — technical service bulletin
Bulletin SB21-035-15 · NHTSA communication 10058533 · issued May 27, 2015
Technical service bulletin
communication type
Power Train
component
2013
model years
4
vehicle entries
Official summary
Procedure for transmission control module reprogramming with new software due to poor performance and erratic shifting *cn
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.