Jeep Grand Wagoneer 2022–2026 — technical service bulletin
Bulletin 111396 · NHTSA communication 11031480 · issued Apr 8, 2026
Technical service bulletin
communication type
Structure
component
2022–2026
model years
15
vehicle entries
Official summary
Cooler - auxiliary low temperature
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.