{"nhtsa_id":10225437,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-31","date":"2022-10-31","document_id":"SSM 51166","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM","mfr_system":null,"summary":"Some 2021-2022 Bronco vehicles 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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10225437-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10225437-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10225437","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"body-control-module","name":"Body control module","parent":"electrical"}],"codes":["B1533"],"topics":[],"vehicles":[{"make":"FORD","model":"BRONCO","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_ford_bronco","2022_ford_bronco"]}],"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":[]}