{"nhtsa_id":10175420,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-26","date":"2020-04-16","document_id":"SIL 05-EP-20EN","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Instruction to service channel to familiarize themselves with safe electrical work practices when working on the high voltage electrical system of the H 40/50 EP transmission","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175420-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175420-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10175420","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ALLISON TRANSMISSION, INC","model":"B SERIES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"B300 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"B3400","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"B400 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"H 40 EP TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"H 50 EP TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"T SERIES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"T100 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"T200 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"T300 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"T3280","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"T3325","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"T3375","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"T400 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON TRANSMISSION, INC","model":"TC10 SERIES TRANSMISSION","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":[]}