{"nhtsa_id":10204953,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-01-04","date":"2021-12-03","document_id":"21CSA-21","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"DiagnosticLink 8.15 is available for download from the ordering system. Current subscribers of DiagnosticLin 8.xx can upgrade to DiagnosticLink 8.15 at no cost. All DTNA service shops are required to maintain the latest version of software on each of their stations.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10204953-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10204953-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10204953","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FCCC","model":"FCCC","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"FREIGHTLINER","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"STERLING","model":"STERLING","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"THOMAS BUILT BUSES","model":"THOMAS BUILT BUSES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"WESTERN STAR","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":[]}