Jeep Grand Wagoneer 2023–2024 — technical service bulletin
Bulletin S2309000011 · NHTSA communication 10247450 · issued Oct 24, 2023
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
4
vehicle entries
Official summary
Customer may complain "Service Engine ? See Dealer" message displays in cluster
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.