{"nhtsa_id":10027164,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-01-10","date":"2008-08-08","document_id":"08-TL-14","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"DETROIT DIESEL: AMBIENT AIR TEMPERATURE SENSOR FOR EPA07 ENGINES (KIT P/N: 23538495). THE AAT SENSOR PROVIDES OUTSIDE TEMPERATURE DATA FOR THE \"IDLE SHUTDOWN TIME\" AND \"OPTIMIZED IDLE\" FEATURES, ALLOWING THESE FEATURES TO BE OVERRIDDEN UNDER EXTREMELY HOT OR COLD CONDITIONS. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10027164","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"DETROIT DIESEL","model":"OPTIMIZED IDLE","year_from":null,"year_to":null,"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":[]}