{"nhtsa_id":11032112,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-05","date":"2026-04-23","document_id":"TSB140017","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of a lubricating oil leak and high crankcase pressure fault codes on engines with an internal crankcase breather filter. The engines are experiencing crankcase breather tube freezing issues in below freezing temperatures. This is an update to a previously submitted communication.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032112-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032112-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032112","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"B6.7","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISB","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISB6.7","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":[]}