Jeep Grand Wagoneer 2026–2027 — technical service bulletin
Bulletin 08-313-26 REV. A · NHTSA communication 11036269 · issued Aug 15, 2026
Technical service bulletin
communication type
Electrical System
component
2026–2027
model years
4
vehicle entries
Official summary
Front Windows Auto-Reverse During Closing Customers may experience the following: SYMPTOM: ● Front windows travel to the closed position but then auto-reverses. This bulletin involves inspecting the date codes on both front power window regulator motors and, if necessary, replacing one or both power window regulator motors
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.