Jeep Grand Wagoneer 2023 — technical service bulletin
Bulletin 0821323 · NHTSA communication 10244440 · issued Sep 2, 2023
Technical service bulletin
communication type
Seats
component
2023
model years
2
vehicle entries
Official summary
Flash: Folding Seat Module (FSM) Update The customer may describe the following: ? The third row seats are stuck in down/cargo position and will not return to the upright seat position with the auto up button. Customers will not be able to unfold the seats from one button press. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: ? B1F28-54 - 3rd Row Seat LT - Recline Motor 1- Missing Calibration. This bulletin involves performing a software update and calibration routine on the FSM.
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.