Jeep Grand Cherokee 2020 — technical service bulletin
Bulletin 1807920 · NHTSA communication 10224098 · issued Nov 26, 2020
Technical service bulletin
communication type
Electrical System
component
2020
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates - AN-K8-18-20201102 Refer to China Joint Venture (JV) released document AN-K8-18-20201102, 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.