Jeep Compass 2018 — technical service bulletin
Bulletin 1809820 · NHTSA communication 10223966 · issued Oct 10, 2020
Technical service bulletin
communication type
Electrical System
component
2018
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates - AN-M4-20200919 Refer to China Joint Venture (JV) released document AN-M4-20200919 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.