{"nhtsa_id":10210939,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-05-04","date":"2022-04-29","document_id":"OTA SU2 P4 F150","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT","mfr_system":null,"summary":"Software Update 2 (SU2) Phase 4 for 2021 Model Year F-150 vehicles is now available. Involves: Fix for IPC reboot when receiving phone calls (22-2129). Fix for loud or off tempo turn signal \"tick\" sound. Fix for Trailer-Back-Up assist not functioning on some vehicles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10210939-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10210939-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10210939","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"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":[]}