Jeep Grand Cherokee 4XE 2022 — technical service bulletin
Bulletin 0801822REVA · NHTSA communication 10225415 · issued Aug 13, 2022
Technical service bulletin
communication type
Equipment
component
2022
model years
3
vehicle entries
Official summary
Speaker Hiss Noise This bulletin involves performing a routine in the radio to reduce unwanted speaker noise. Customers may comment on one or more of the following: Hissing/water sprinkler/salt shaker noise coming from front/rear speakers. Heardwhen radio is on and no media is playing, or volume high/low with media playing.
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.