Jeep Grand Cherokee 2021–2022 — technical service bulletin
Bulletin 9004504 · NHTSA communication 10223023 · issued Mar 23, 2022
Technical service bulletin
communication type
Equipment
component
2021–2022
model years
2
vehicle entries
Official summary
TRANSFER CASE If the Transfer Case is being replaced for a concern related to C1472-92 refer to STAR Online S2121000014 Rev. C before ordering.
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.