{"nhtsa_id":10237794,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-06-13","date":"2023-06-09","document_id":"SSM 51696","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Some 2021-2022 Mustang Mach-E vehicles built on or before 19-Aug-2022 may exhibit a condition of intermittent headlamp operation while the vehicle is off and have diagnostic trouble code (DTC) B1533 stored in the body control module (BCM). This may be due to the internal logic within the headlamp switch. To correct this condition, replace the headlamp switch (service base PN: 11654). Refer Workshop Manual, Section 417-01. For claiming, use casual part 11654 and the applicable labor operations of Section 10 of the Service Labor Time Standards (SLTS) Manual.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237794-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237794-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10237794","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":["B1533"],"topics":[],"vehicles":[{"make":"FORD","model":"MUSTANG MACH E","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_ford_mustang-mach-e","2022_ford_mustang-mach-e"]}],"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":[]}