Jeep Grand Cherokee 2025 — technical service bulletin
Bulletin 08-319-25 · NHTSA communication 11023591 · issued Sep 24, 2025
Technical service bulletin
communication type
Electrical System
component
2025
model years
2
vehicle entries
Official summary
Flash: Amplifier (AMP) Diagnostic and System Updates Customers may experience the following: ● Droning noises coming out of the speakers at specific RPMs that range from 1200 to 1800 RPM. Probability of occurence is most likely during cold ambient temperatures. This bulletin involves updating the AMP with the latest available software.
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.