{"nhtsa_id":10253231,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-04-15","date":"2024-03-12","document_id":"T-SB-0014-24","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"TSB: Some 2023 model year Crown vehicles may exhibit a delay and/or reduction in output of warm air from the HVAC system while the vehicle engine is at normal operating temperatures (over 170°F). This condition usually occurs immediately after a hot restart, while the vehicle is in Ready ON, but before the internal combustion engine starts. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10253231-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10253231-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10253231","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"TOYOTA","model":"CROWN","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_toyota_crown"]}],"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":[]}