Jeep Grand Wagoneer 2022 — technical service bulletin
Bulletin 75780 · NHTSA communication 10221316 · issued Jun 30, 2021
Technical service bulletin
communication type
Power Train
component
2022
model years
1
vehicle entries
Official summary
Warranty Bulletin D-21-08 Fast Feedback Program - Transfer Case, Prop Shaft and Front & Rear Axle Components - 2022 Wagoneer and Grand Wagoneer (WS)
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.