Jeep Grand Cherokee 2026 — technical service bulletin
Bulletin 9100889 · NHTSA communication 11036767 · issued Aug 28, 2026
Technical service bulletin
communication type
Structure
component
2026
model years
3
vehicle entries
Official summary
SEAL, Sunroof, Interior Prior to replacing this part, please ensure the repair is due to issues other than water leaks. This seal is exclusively for acoustic insulation, do not replace for water leak issues.
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.