Jeep Grand Wagoneer 2023–2024 — service campaign
Bulletin 47B Combo REV2 · NHTSA communication 11027748 · issued Jan 13, 2026
Service campaign
communication type
Engine
component
2023–2024
model years
4
vehicle entries
Official summary
Labor time reduced for oil pump replacement and 4x4 equipped opt. eqp.
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.