Jeep Grand Wagoneer 2022–2023 — technical service bulletin
Bulletin S2309000003 · NHTSA communication 10241023 · issued Jun 18, 2023
Technical service bulletin
communication type
Engine
component
2022–2023
model years
4
vehicle entries
Official summary
Customer may experience a knocking, pinging or rattling noise coming from the engine.
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.