{"nhtsa_id":10026047,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-09-26","date":"2009-03-18","document_id":"01-55","mfr_campaign":null,"replaces":"TIB-01-55","component":"ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM","mfr_system":null,"summary":"KENWORTH: CLEAN POWER SYSTEM HIGH VOLTAGE REPAIR. HIGH VOLTAGE WARNING LIGHT ON THE VOLTMETER. T660S BUILT AND EQUIPPED WITH THE KENWORTH CLEAN POWER SYSTEM SINCE 05/25/07. *PE UPDATED 9/29/09. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10026047","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T660","year_from":2005,"year_to":2009,"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":[]}