{"nhtsa_id":11005745,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-08-06","date":"2024-07-15","document_id":"SSM 52721","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"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).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11005745-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11005745-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11005745","components":[],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-150","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_ford_f-150"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}