Jeep Grand Cherokee 2015 — technical service bulletin
Bulletin 08-093-14 · NHTSA communication 10139810 · issued Oct 29, 2014
Technical service bulletin
communication type
Equipment
component
2015
model years
1
vehicle entries
Official summary
Flash: Pop Noise From Rear Speakers This bulletin involves updating the Amplifier's software. The customer may notice a loud popping noise coming from the driver's side rear door speaker. This condition is most noticeable when playing audio with low frequency (50 Hz or lower) and the volume is set at 22 or greater.
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.