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Service bulletin SSM 53004

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11008708
Published by NHTSA2024-10-08
Manufacturer's numberSSM 53004
Manufacturer's date2024-10-02
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

Some 2024 Nautilus and 2025 Aviator vehicles equipped with a 24 channel audio digital signal processing module (DSP) (minor feature code IDBBN) may exhibit a no audio/sound condition with no communication with DSP. To confirm a vehicle is built with a certain minor feature code, review the build information by double-clicking the vehicle identification number (VIN) in the upper left corner in the Professional Technician System (PTS).

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Vehicles listed
LINCOLN AVIATOR2025
LINCOLN NAUTILUS2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.