{"nhtsa_id":11019336,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-06-06","date":"2025-04-09","document_id":"T-SB-0035-25","mfr_campaign":"T-SB-0035-25","replaces":null,"component":"STRUCTURE:BODY","mfr_system":null,"summary":"Some 2025 model year Sienna Hybrid vehicles equipped with the advanced rear seat reminder system may exhibit one or both of the following conditions: • A “Rear Seat Reminder Malfunction – Visit Your Dealer” message on the Multi-information Display (MID). • Diagnostic Trouble Code (DTC) U117487 (Lost Communication with Cabin Occupant Recognition Sensor Missing) present in the main body ECU. The cabin object recognition sensor assembly logic has been modified to address these conditions.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019336-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019336-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11019336","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":["U1174"],"topics":[],"vehicles":[{"make":"TOYOTA","model":"SIENNA HYBRID","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_toyota_sienna"]}],"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":[]}