{"nhtsa_id":10200737,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-09-02","date":"2021-08-02","document_id":"TSB 21-2251","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING:POWER DISTRIBUTION MODULE/IPDM","mfr_system":null,"summary":"Some 2021 Bronco vehicles built on or before 09-Jul-2021 may exhibit an intermittent No Key Detected message displayed in the instrument cluster followed by a double horn chirp immediately after starting the vehicle. This may be due to a software parameter in the driver door module (DDM) and/or the passenger door module (PDM). To correct the condition, follow the Service Procedure to reprogram the DDM and PDM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200737-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200737-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10200737","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"BRONCO","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_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":[]}