{"nhtsa_id":10099493,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-05-18","date":"2016-12-12","document_id":"SIL 44-TR-16","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"PROVIDES TROUBLESHOOTING TIPS FOR DTC P0642","document":null,"url":"https://open.wenmarpro.com/bulletins/10099493","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["P0642"],"topics":[],"vehicles":[{"make":"ALLISON","model":"1000 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":[]}