Dodge Charger 2017 — technical service bulletin
Bulletin 21-028-17 · NHTSA communication 10138925 · issued Jun 22, 2017
Technical service bulletin
communication type
Power Train
component
2017
model years
1
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 experience the following condition:During an engine limp mode condition, the transmission remains in a fixed gear. The following software update includes:Allow transmission gear shifting in the limp-in mode rather than fixed gear.
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.