Dodge Durango 2017 — technical service bulletin
Bulletin 21-009-17 REV. A · NHTSA communication 10140055 · issued Mar 31, 2017
Technical service bulletin
communication type
Power Train
component
2017
model years
2
vehicle entries
Official summary
Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Some customers may experience the following condition: During an engine limp mode condition, the transmission remains in a fixed gear.The following software enhancement is also available: Transmission shift quality enhancement.
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.