{"nhtsa_id":11014243,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-02-12","date":"2021-10-05","document_id":"SB-18-28","mfr_campaign":"SB-18-28","replaces":null,"component":"SERVICE BRAKES","mfr_system":null,"summary":"Transit bus repair to upgrade the ABS controller to communicate with clever ITS ABS monitoring.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-11014243-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-11014243-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11014243","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PROTERRA","model":"CATALYST","year_from":2018,"year_to":2018,"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":[]}