Jeep Grand Cherokee 2019 — technical service bulletin
Bulletin 18-090-20 · NHTSA communication 10181630 · issued Sep 25, 2020
Technical service bulletin
communication type
Power Train
component
2019
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates - AN-K8PHEV-18-20200905 Refer to China Joint Venture (JV) released document AN-K8PHEV-18-20200905, 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.