Jeep Cherokee 2018 — technical service bulletin
Bulletin 2104617 · NHTSA communication 10224955 · issued Oct 28, 2017
Technical service bulletin
communication type
Power Train
component
2018
model years
1
vehicle entries
Official summary
Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) withthe latest available software. Customers may experience the following:Longer than usual shift times when performing garage shifts (P to R and Rto D). Poor shift quality or ?bump? experienced during foot on throttle2-1 downshift.
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.