Jeep Grand Wagoneer 2023–2026 — technical service bulletin
Bulletin 111129 · NHTSA communication 11031477 · issued Apr 7, 2026
Technical service bulletin
communication type
Electrical System
component
2023–2026
model years
12
vehicle entries
Official summary
THERMOSTAT – NONE
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.