{"nhtsa_id":11033451,"type":"other","type_name":"Other","date_added":"2026-06-04","date":"2026-05-02","document_id":"2026FA02","mfr_campaign":null,"replaces":null,"component":"FUEL/PROPULSION SYSTEM","mfr_system":"Transmission","summary":"Notice announcing program to update software and the software identification number to modify some existing DTC logic and to add additional DTCs for eGen transmission","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033451-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033451-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033451","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"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":[]}