{"nhtsa_id":10125059,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-14","date":"2017-11-21","document_id":"TT7994 Rev A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN","mfr_system":null,"summary":"Provides servicing tip for DTC P2789 in IC bus and software reflash instructions","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10125059-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10125059-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10125059","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["P2789"],"topics":[],"vehicles":[{"make":"ALLISON","model":"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":[]}