{"nhtsa_id":10049799,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-01-19","date":"2012-09-11","document_id":"TIB-13-035","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:MANUAL TRANSMISSION","mfr_system":null,"summary":"KENWORTH: SEE DOCUMENT SEARCH BUTON FOR OWNER LETTER. INFORMATION REGARDING RETROFIT ROUTING OF HARNESS BUNDLE HAS CHANGED FOR PREVIOUSLY BUILT MEDIUM DUTY CHASSIS, WITH ULTRASHIFT TRANSMISSIONS, TO NEW SPECIFICATION. MODELS 2011-2012 T270, T370. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10049799","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"manual-transmission","name":"Manual transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T270","year_from":2011,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T370","year_from":2012,"year_to":2013,"match":null,"vehicle_ids":[]}],"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":[]}