Jeep Grand Cherokee 2023 — technical service bulletin
Bulletin 2102023 · NHTSA communication 10242814 · issued Jul 18, 2023
Technical service bulletin
communication type
Power Train
component
2023
model years
1
vehicle entries
Official summary
Flash: Transmission Control Module (TCM) Updates Customer may experience the following: ? Clunk or bump felt during an Engine Stop/Start (ESS) event. ? Roughness in shifts between gears 1 & 2. 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.