Jeep Compass 2017 — technical service bulletin
Bulletin 21-034-17 REV. A · NHTSA communication 10121812 · issued Sep 22, 2017
Technical service bulletin
communication type
Power Train
component
2017
model years
1
vehicle entries
Official summary
Flash: Transmission Diagnostic and Shift Enhancements AN-M4-21-20170929 Refer to China Joint Venture (JV) released document AN-M4-21-20170929, 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.