Jeep Grand Wagoneer 2023 — technical service bulletin
Bulletin 9100758 · NHTSA communication 11028253 · issued Jan 27, 2026
Technical service bulletin
communication type
Electrical System
component
2023
model years
2
vehicle entries
Official summary
If replacing the oil pump on 23MY WS 3.0L SO, please follow the diagnostic procedure "09 - Engine, 3.0L GMET6 / Lubrication / PUMP, Engine Oil / Removal and Installation / ENGINE OIL PUMP" to replace the pump without removing the transmission and using the original solenoid.
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.