{"nhtsa_id":10175203,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-18","date":"2020-04-20","document_id":"TSB200034-042020","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of Diesel Exhaust Fluid Doser overheating due to hot engine air around the Dosing units. This issue is specific to one OEM's specific chassis and the resolution is being developing by that OEM. This is an update to a previously submitted communication.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175203-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175203-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10175203","components":[{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"L9","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":[]}