{"nhtsa_id":10248329,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-01-05","date":"2023-12-27","document_id":"23KWJ","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR","mfr_system":null,"summary":"Safety Recall 23KWJ: T280/T380/T480 Delayed Trailer Brake Release T280/T380/T480 Delayed Trailer Brake Release. Safety Recall Certain T280/T380/T480 chassis built with 2.1m Medium Duty End of Frame Trailer Connections and Tractor Protection Valves may not meet the standard trailer brake release timing requirements by 0.5 seconds. A delay in the trailer brake release may create momentary instability to the trailer and increase the risk of a crash.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248329-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248329-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10248329","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T280","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T280","year_from":2022,"year_to":2024,"match":"exact","vehicle_ids":["2022_kenworth_t280","2023_kenworth_t280","2024_kenworth_t280"]},{"make":"KENWORTH","model":"T380","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T380","year_from":2022,"year_to":2024,"match":"exact","vehicle_ids":["2022_kenworth_t380","2023_kenworth_t380","2024_kenworth_t380"]},{"make":"KENWORTH","model":"T480","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T480","year_from":2022,"year_to":2024,"match":"exact","vehicle_ids":["2022_kenworth_t480","2023_kenworth_t480","2024_kenworth_t480"]}],"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":[]}