Jeep Grand Cherokee 2019 — technical service bulletin
Bulletin 18-004-19 REV. B · NHTSA communication 10168454 · issued Oct 11, 2019
Technical service bulletin
communication type
Power Train
component
2019
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates - AN-K8-18-20191009 Refer to China Joint Venture (JV) released document AN-K8-18-20191009, for details on this service action.
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.