Jeep Grand Cherokee 2021–2023 — technical service bulletin
Bulletin S2308000135 · NHTSA communication 10248858 · issued Nov 2, 2023
Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
3
vehicle entries
Official summary
Passive Entry General Electrical Low Frequency (LF) Antenna Faults Stored or Active
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.