{"nhtsa_id":11035662,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-04","date":"2026-07-31","document_id":"15-340-26","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"This bulletin announces the availability of reprogramming files for the Central Electronic Control Module (C-ECM). The updated logic has been developed to address Diagnostic Trouble Code (DTC) B2A20 - LOST COMMUNICATION ETHERNET FROM DCM TO HU.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035662-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035662-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035662","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B2A20"],"topics":[],"vehicles":[{"make":"SUBARU","model":"OUTBACK","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_subaru_outback"]}],"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":[]}