{"nhtsa_id":10166215,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-10-21","date":"2019-09-27","document_id":"ATC2216","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ENGINE","mfr_system":null,"summary":"This Account Team Coverage is being issued to address potential System Out NOx sensor failures due to contamination and/or water impingement on certain B6.7 CM2350 B121B engines installed in Nova Bus applications. This field action authorizes certified repair locations to use the published service procedure to implement a drain hole in the system out NOx cup.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166215-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166215-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10166215","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"B6.7","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":[]}