No. 2322

Bulletin #: 2322
Advanced Technical Information
Part ID: 9141
9
BOSE Poor Sound Quality
Vehicles Affected
Models
Model Year
Model Type
VIN Range
Vehicle-Specific Equipment
911
As of 2022 up to 2024
992
N/A
9VL (BOSE® Surround Sound System)
Revision History
Revision
Release Date
Changes
0
September 26, 2023
Original document
Condition
Customer complains of a scratching or roaring from the front door panel.
Technical Background
Due to too tight tolerances in the woofer (BOSE), there is friction occurring internally of the speaker. To alleviate the
internal collisions of the woofer, it is advised to change the sound system setting of “Linear” to on/checked within 		
the PCM.
AfterSales
Sep 26, 2023
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Bulletin #: 2322
Advanced Technical Information
Part ID: 9141
9
Service Information
1.
2.
3.
4.
Verify the sound system is BOSE.
Using GFF, verify the concern is isolated to the specified conditions described above.
In sound system settings, check off “Linear” (Reference Figure 1).
Check sound quality of audio system.
This ATI will be updated once a hardware and software solution has been released.
Figure 1 - BOSE settings
Search Items
992, 911, Bose, Sound, Audio
Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training courses. They are
written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special tools may be necessary in
order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the safe operation of your vehicle, and
may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and safely. Part numbers listed in these bulletins
are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a discrepancy, the work procedures in the PIWIS Tester
are the ones that must be followed.
E15680
©2023 Porsche Cars North America, Inc.
AfterSales
Sep 26, 2023
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