Jeep Grand Wagoneer 2022–2023 — technical service bulletin
Bulletin 91903 · NHTSA communication 10241051 · issued Jun 28, 2023
Technical service bulletin
communication type
Equipment
component
2022–2023
model years
4
vehicle entries
Official summary
Warranty Bulletin D-23-12 Part Order Restriction Program Amplifier 2022 - 2023 Grand Wagoneer/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.