{"nhtsa_id":10049800,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-01-19","date":"2012-09-14","document_id":"ESA-34-045","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING","mfr_system":null,"summary":"KENWORTH: INFORMATION REGARDING POSSIBLE CORRUPTION OF ENGINE SETTINGS IF CURRENT VERSION ESA 4.1.0.17 IS USED AND NOT FUNCTION PROPERLY AND A SPECIAL VERSION IS POSSIBLY REQUIRED FOR CHASSIS. MODELS 2012 T270, 370, 470,660, 800 AND W900. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10049800","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T270","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T370","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T470","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T660","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T700","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T800","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"W900","year_from":2012,"year_to":2012,"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":[]}