Jeep Grand Cherokee 2021–2023 — technical service bulletin
Bulletin S2324000002 · NHTSA communication 10231721 · issued Jan 6, 2023
Technical service bulletin
communication type
Equipment
component
2021–2023
model years
11
vehicle entries
Official summary
Customer Indicates Heat Is Blowing Warm Not Hot.
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.