Jeep Grand Wagoneer 2025–2026 — service campaign
Bulletin 90C Combo Rev1 · NHTSA communication 11026564 · issued Dec 4, 2025
Service campaign
communication type
Engine
component
2025–2026
model years
6
vehicle entries
Official summary
Customer satisfaction notification north america 90c purge valve hose
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.