{"nhtsa_id":10054041,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-12-17","date":"2013-11-01","document_id":"TIB-42-050","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING","mfr_system":null,"summary":"KENWORTH: PROCEDURAL INFORMATION REGARDING THE EXAMINATION OF COOLANT SENSOR WIRING WHEN CHASSIS RECEIVES FAULT CODES. MODEL ALL EPA 2013 CHASSIS BEFORE 9/17/13. *PE UPDATED 12/17/13. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10054041","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"KENWORTH","year_from":2003,"year_to":2003,"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":[]}