{"nhtsa_id":10030253,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-09-03","date":"2009-03-18","document_id":"TIB-01-56","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR","mfr_system":null,"summary":"KENWORTH: WHEN CHARGING KENWORTH CLEAN POWER SYSTEM STORAGE COOLER, THE INVERTER MAY TRIP, CAUSING THE COMPRESSOR OPERATION TO SHUT DOWN. A RED LIGHT ON SLEEPER CONTROL PANEL WILL ILLUMINATE AS AN INDICATION OF THIS FAULT. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10030253","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"alternator","name":"Alternator","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T660","year_from":2007,"year_to":2008,"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":[]}