Jeep Grand Cherokee 2021–2023 — technical service bulletin
Bulletin S2324000003 · NHTSA communication 10247939 · issued Feb 3, 2023
Technical service bulletin
communication type
Seats
component
2021–2023
model years
3
vehicle entries
Official summary
Heated seats turn off by itself when on HI setting, without customer input after approximately 20 minutes.
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.