Jeep Grand Cherokee 2023 — technical service bulletin
Bulletin 08-302-25 · NHTSA communication 11023162 · issued Sep 12, 2025
Technical service bulletin
communication type
Electrical System
component
2023
model years
3
vehicle entries
Official summary
Not applicable to vehicles built for US market. Radio USB Update to U40.20 Customers may experience one or more of the following: ● Temperature displayed in the radio display screen and rear HVAC are mismatched. ● Auto door locks are inoperable This bulletin involves inspecting and if required, updating the radio software level to U40.20. Depending on the radio’s current software level the radio may need a one or two USB update.
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.