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July 15, 2024 Service bulletin

Poor sound quality or distorted sound from all speakers

Ford technical service bulletin SSM 52721 for 2021 Ford F-150.

Bulletin number
SSM 52721
Component
Unknown or other
Summary
Some 2021 F-150 vehicles equipped with an 8 speaker system (minor feature code IDBAF) may exhibit poor sound quality or distorted sound from all speakers. 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). This may be due to a recent update delivered over-the-air (OTA).

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