{"nhtsa_id":621179,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-09-10","date":"2001-03-01","document_id":"5418","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"SUBJECT REGARDING J1939 SYSTEM CHECK FOR ALLISON 1000 / 2000 TRANSMISSIONS FOR CARGO MODEL VEHICLES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/621179","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"STERLING","model":"CARGO","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":[]}