{"nhtsa_id":11028797,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-12","date":"2026-02-06","document_id":"SSM 54555","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER; STRUCTURE:BODY; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Some 2020-2022-Corsair, 2021-2023 Nautilus, 2020-2024 Navigator/Aviator, and 2021-2024 Mustang Mach-E vehicles equipped with phone-as-a-key may exhibit various phone-as-a-key concerns with diagnostic trouble codes (DTC) U200D:15, U200E:15, U200F:15, B1589:31/49 through B1598:31/49, B1A56:31/49, B1D55:31/49, and/or B15A5:56 stored in the remote function actuator (RFA) module. If any of these DTCs are detected during diagnostics, clear the DTCs, reprogram the RFA to the latest software level and start a new Ford Diagnosis and Repair System (FDRS) session. Verify that DTCs are no longer present. If only the B1589:31/49 through B1598:31/49, B1A56:31/49, B1D55:31/49, and/or B15A5:56 DTCs return in the RFA after a self-test, follow normal Workshop Manual (WSM) diagnostics in Section 419-01. Repair as necessary outside of this article. For claiming, use causal part 14G617 and labor operations 12651D and 12651D4.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028797-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028797-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028797","components":[{"id":"structure-body","name":"Body and frame","parent":null},{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B1589","B1598","B15A5","B1A56","B1D55","U200D","U200E","U200F"],"topics":[],"vehicles":[{"make":"FORD","model":"MUSTANG MACH E","year_from":2021,"year_to":2024,"match":"exact","vehicle_ids":["2021_ford_mustang-mach-e","2022_ford_mustang-mach-e","2023_ford_mustang-mach-e","2024_ford_mustang-mach-e"]},{"make":"LINCOLN","model":"AVIATOR","year_from":2021,"year_to":2024,"match":"exact","vehicle_ids":["2021_lincoln_aviator","2022_lincoln_aviator","2023_lincoln_aviator","2024_lincoln_aviator"]},{"make":"LINCOLN","model":"CORSAIR","year_from":2020,"year_to":2022,"match":"exact","vehicle_ids":["2020_lincoln_corsair","2021_lincoln_corsair","2022_lincoln_corsair"]},{"make":"LINCOLN","model":"MKX","year_from":2007,"year_to":2007,"match":"exact","vehicle_ids":["2007_lincoln_mkx"]},{"make":"LINCOLN","model":"NAUTILUS","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_lincoln_nautilus","2022_lincoln_nautilus","2023_lincoln_nautilus"]},{"make":"LINCOLN","model":"NAVIGATOR","year_from":2020,"year_to":2024,"match":"exact","vehicle_ids":["2020_lincoln_navigator","2021_lincoln_navigator","2022_lincoln_navigator","2023_lincoln_navigator","2024_lincoln_navigator"]}],"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":[]}