Chrysler Pacifica 2024 — technical service bulletin
Bulletin 21-031-24 · NHTSA communication 11001251 · issued May 16, 2024
Technical service bulletin
communication type
Power Train
component
2024
model years
2
vehicle entries
Official summary
"Flash: Transmission Control Module (TCM) Updates The following software advancements are available: ● Transmission Shift Quality Improvements. This bulletin involves reprogramming the TCM with the latest available software."
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.